Remove onboarding tour

- never used/turned on in production
- product decided to go in a different direction

app/controllers/dashboard/projects_controller.rb

@@ -3,7 +3,6 @@
 class Dashboard::ProjectsController < Dashboard::ApplicationController
   include ParamsBackwardCompatibility
   include RendersMemberAccess
-  include OnboardingExperimentHelper
   include SortingHelper
   include SortingPreference
   include FiltersEvents

app/helpers/onboarding_experiment_helper.rb

-# frozen_string_literal: true
-
-module OnboardingExperimentHelper
-  def allow_access_to_onboarding?
-    ::Gitlab.dev_env_or_com? && Feature.enabled?(:user_onboarding)
-  end
-end
-
-OnboardingExperimentHelper.prepend_if_ee('EE::OnboardingExperimentHelper')

ee/app/controllers/ee/dashboard/projects_controller.rb

@@ -5,32 +5,13 @@ module EE
     module ProjectsController
       extend ActiveSupport::Concern
       extend ::Gitlab::Utils::Override
-      include ::OnboardingExperimentHelper
 
       private
 
-      override :render_projects
-      def render_projects
-        return redirect_to explore_onboarding_index_path if show_onboarding_welcome_page?
-
-        super
-      end
-
       override :preload_associations
       def preload_associations(projects)
         super.with_compliance_framework_settings
       end
-
-      def show_onboarding_welcome_page?
-        return false if onboarding_cookie_set?
-        return false unless allow_access_to_onboarding?
-
-        !show_projects?(projects, params)
-      end
-
-      def onboarding_cookie_set?
-        cookies['onboarding_dismissed'] == 'true'
-      end
     end
   end
 end

ee/app/controllers/explore/onboarding_controller.rb

-# frozen_string_literal: true
-
-class Explore::OnboardingController < Explore::ApplicationController
-  include ::OnboardingExperimentHelper
-
-  before_action :authenticate_user!
-  before_action :set_project!
-
-  layout 'onboarding'
-
-  private
-
-  def set_project!
-    @project = get_onboarding_demo_project
-
-    return render_404 unless @project && can?(current_user, :read_project, @project)
-
-    session[:onboarding_project] = { project_full_path: @project.web_url, project_name: @project.name }
-  end
-
-  def get_onboarding_demo_project
-    demo_project if allow_access_to_onboarding?
-  end
-
-  def demo_project
-    # gdk instances may not have the 'gitlab-foss' project seeded, so we will fallback
-    # to 'gitlab-test'
-    Project.find_by_full_path('gitlab-org/gitlab-foss') ||
-      Project.find_by_full_path('gitlab-org/gitlab-test')
-  end
-end

ee/app/helpers/ee/application_helper.rb

@@ -3,7 +3,6 @@
 module EE
   module ApplicationHelper
     extend ::Gitlab::Utils::Override
-    include ::OnboardingExperimentHelper
 
     DB_LAG_SHOW_THRESHOLD = 60 # seconds
     LOG_CURSOR_CHECK_TIME = ::Gitlab::Geo::LogCursor::Daemon::SECONDARY_CHECK_INTERVAL
@@ -113,10 +112,6 @@ module EE
       show
     end
 
-    def user_onboarding_enabled?
-      allow_access_to_onboarding?
-    end
-
     def show_whats_new_dropdown_item?
       ::Gitlab.com? && ::Feature.enabled?(:whats_new_dropdown)
     end

ee/app/helpers/ee/onboarding_experiment_helper.rb

-# frozen_string_literal: true
-
-module EE
-  module OnboardingExperimentHelper
-    extend ::Gitlab::Utils::Override
-
-    EXPERIMENT_GROWTH_ONBOARDING_FEATURE_NAME = :experiment_growth_onboarding
-
-    override :allow_access_to_onboarding?
-    def allow_access_to_onboarding?
-      super && experiment_enabled_for_user?
-    end
-
-    private
-
-    def experiment_enabled_for_user?
-      return true unless current_user
-
-      ::Feature.enabled?(EXPERIMENT_GROWTH_ONBOARDING_FEATURE_NAME, current_user, default_enabled: true)
-    end
-  end
-end

ee/config/routes/explore.rb

-# frozen_string_literal: true
-
-namespace :explore do
-  resources :onboarding, only: [:index]
-end

ee/spec/controllers/ee/dashboard/projects_controller_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Dashboard::ProjectsController do
-  include ExternalAuthorizationServiceHelpers
-
-  let(:user) { create(:user) }
-
-  describe 'GET #index' do
-    before do
-      sign_in(user)
-    end
-
-    context 'onboarding welcome page' do
-      before do
-        allow(Gitlab).to receive(:com?) { true }
-      end
-
-      shared_examples '200 status' do
-        it 'renders the index template' do
-          get :index
-
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(response).to render_template(:index)
-        end
-      end
-
-      context 'when the feature is enabled' do
-        before do
-          stub_feature_flags(user_onboarding: true)
-        end
-
-        context 'and the user does not have projects' do
-          before do
-            stub_feature_flags(project_list_filter_bar: false)
-          end
-
-          it 'renders the welcome page if it has not dismissed onboarding' do
-            cookies[:onboarding_dismissed] = 'false'
-
-            get :index
-
-            expect(response).to redirect_to(explore_onboarding_index_path)
-          end
-
-          it 'renders the index template if it has dismissed the onboarding' do
-            cookies[:onboarding_dismissed] = 'true'
-
-            get :index
-
-            expect(response).to have_gitlab_http_status(:ok)
-            expect(response).to render_template(:index)
-          end
-        end
-
-        context 'and the user has projects' do
-          let(:project) { create(:project) }
-
-          before do
-            project.add_developer(user)
-          end
-
-          it_behaves_like '200 status'
-        end
-      end
-
-      context 'when the feature is disabled' do
-        before do
-          stub_feature_flags(user_onboarding: false)
-        end
-
-        it_behaves_like '200 status'
-      end
-    end
-  end
-end

ee/spec/helpers/ee/onboarding_experiment_helper_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe OnboardingExperimentHelper, type: :helper do
-  using RSpec::Parameterized::TableSyntax
-
-  describe '.allow_access_to_onboarding?' do
-    context "when we're not gitlab.com" do
-      it 'returns false' do
-        allow(::Gitlab).to receive(:com?).and_return(false)
-
-        expect(helper.allow_access_to_onboarding?).to be(false)
-      end
-    end
-
-    context "when we're gitlab.com" do
-      before do
-        allow(::Gitlab).to receive(:com?).and_return(true)
-      end
-
-      context 'and the :user_onboarding feature is not enabled' do
-        it 'returns false' do
-          stub_feature_flags(user_onboarding: false)
-
-          expect(helper.allow_access_to_onboarding?).to be(false)
-        end
-      end
-
-      context 'and the :user_onboarding feature is enabled' do
-        before do
-          stub_feature_flags(user_onboarding: true)
-        end
-
-        context 'but there is no current_user' do
-          it 'returns true' do
-            allow(helper).to receive(:current_user).and_return(nil)
-
-            expect(helper.allow_access_to_onboarding?).to be(true)
-          end
-        end
-
-        context 'and there is a current_user' do
-          let!(:user) { create(:user, id: 2) }
-
-          before do
-            allow(helper).to receive(:current_user).and_return(user)
-          end
-
-          context 'but experiment_growth_onboarding has not been set' do
-            it 'returns true' do
-              expect(helper.allow_access_to_onboarding?).to be(true)
-            end
-          end
-
-          context 'and experiment_growth_onboarding has been set' do
-            it 'checks if feature is enabled for current_user' do
-              Feature.enable_percentage_of_actors(
-                described_class::EXPERIMENT_GROWTH_ONBOARDING_FEATURE_NAME, 50)
-
-              expect(helper.allow_access_to_onboarding?).to eq(true)
-            end
-          end
-        end
-      end
-    end
-  end
-end

spec/helpers/onboarding_experiment_helper_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe OnboardingExperimentHelper, type: :helper do
-  describe '.allow_access_to_onboarding?' do
-    context "when we're not gitlab.com or dev env" do
-      it 'returns false' do
-        allow(::Gitlab).to receive(:dev_env_or_com?).and_return(false)
-
-        expect(helper.allow_access_to_onboarding?).to be(false)
-      end
-    end
-
-    context "when we're gitlab.com or dev env" do
-      before do
-        allow(::Gitlab).to receive(:dev_env_or_com?).and_return(true)
-      end
-
-      context 'and the :user_onboarding feature is not enabled' do
-        it 'returns false' do
-          stub_feature_flags(user_onboarding: false)
-
-          expect(helper.allow_access_to_onboarding?).to be(false)
-        end
-      end
-
-      context 'and the :user_onboarding feature is enabled' do
-        it 'returns true' do
-          stub_feature_flags(user_onboarding: true)
-          allow(helper).to receive(:current_user).and_return(create(:user))
-
-          expect(helper.allow_access_to_onboarding?).to be(true)
-        end
-      end
-    end
-  end
-end