Remove invite members version a experiment/ff

- declared success - so we will now show this on every
  priveledged user.

app/controllers/projects/issues_controller.rb

@@ -53,7 +53,6 @@ class Projects::IssuesController < Projects::ApplicationController
     push_to_gon_attributes(:features, real_time_feature_flag, real_time_enabled)
     push_frontend_feature_flag(:confidential_notes, @project, default_enabled: :yaml)
 
-    record_experiment_user(:invite_members_version_a)
     record_experiment_user(:invite_members_version_b)
   end
 

app/controllers/projects/merge_requests_controller.rb

@@ -43,7 +43,6 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     push_frontend_feature_flag(:local_file_reviews, default_enabled: :yaml)
     push_frontend_feature_flag(:paginated_notes, @project, default_enabled: :yaml)
 
-    record_experiment_user(:invite_members_version_a)
     record_experiment_user(:invite_members_version_b)
   end
 

app/helpers/invite_members_helper.rb

@@ -13,7 +13,7 @@ module InviteMembersHelper
 
   def directly_invite_members?
     strong_memoize(:directly_invite_members) do
-      experiment_enabled?(:invite_members_version_a) && can_import_members?
+      can_import_members?
     end
   end
 

app/views/shared/issuable/_sidebar_reviewers.html.haml

@@ -39,17 +39,4 @@
   - data['max-select'] = dropdown_options[:data][:'max-select'] if dropdown_options[:data][:'max-select']
   - options[:data].merge!(data)
 
-  - if experiment_enabled?(:invite_members_version_a) && can_import_members?
-    - options[:dropdown_class] += ' dropdown-extended-height'
-    - options[:footer_content] = true
-    - options[:wrapper_class] = 'js-sidebar-reviewer-dropdown'
-
-    = dropdown_tag(title, options: options) do
-      %ul.dropdown-footer-list
-        %li
-          = link_to _('Invite Members'),
-            project_project_members_path(@project),
-            title: _('Invite Members'),
-            data: { 'is-link': true, 'track-event': 'click_invite_members', 'track-label': 'edit_reviewer' }
-  - else
   = dropdown_tag(title, options: options)

changelogs/unreleased/321185-experiment-cleanup-invite_members_version_a-add-invite-members-to-.yml

+---
+title: Cleanup invite_members_version_a experiment
+merge_request: 55178
+author:
+type: added

config/feature_flags/experiment/invite_members_version_a_experiment_percentage.yml

----
-name: invite_members_version_a_experiment_percentage
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/33210
-rollout_issue_url: https://gitlab.com/gitlab-org/growth/team-tasks/-/issues/299
-milestone: '13.1'
-type: experiment
-group: group::expansion
-default_enabled: false

lib/gitlab/experimentation.rb

@@ -38,10 +38,6 @@ module Gitlab
         tracking_category: 'Growth::Expansion::Experiment::UpgradeLinkInUserMenuA',
         use_backwards_compatible_subject_index: true
       },
-      invite_members_version_a: {
-        tracking_category: 'Growth::Expansion::Experiment::InviteMembersVersionA',
-        use_backwards_compatible_subject_index: true
-      },
       invite_members_version_b: {
         tracking_category: 'Growth::Expansion::Experiment::InviteMembersVersionB',
         use_backwards_compatible_subject_index: true

spec/helpers/invite_members_helper_spec.rb

@@ -71,15 +71,7 @@ RSpec.describe InviteMembersHelper do
           allow(helper).to receive(:current_user) { owner }
         end
 
-        it 'returns false' do
-          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { false }
-
-          expect(helper.directly_invite_members?).to eq false
-        end
-
         it 'returns true' do
-          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
-
           expect(helper.directly_invite_members?).to eq true
         end
       end
@@ -90,8 +82,6 @@ RSpec.describe InviteMembersHelper do
         end
 
         it 'returns false' do
-          allow(helper).to receive(:experiment_enabled?).with(:invite_members_version_a) { true }
-
           expect(helper.directly_invite_members?).to eq false
         end
       end

spec/lib/gitlab/experimentation_spec.rb

@@ -8,7 +8,6 @@ RSpec.describe Gitlab::Experimentation::EXPERIMENTS do
   it 'temporarily ensures we know what experiments exist for backwards compatibility' do
     expected_experiment_keys = [
       :upgrade_link_in_user_menu_a,
-      :invite_members_version_a,
       :invite_members_version_b,
       :invite_members_empty_group_version_a,
       :contact_sales_btn_in_app,

spec/support/shared_examples/features/issuable_invite_members_shared_examples.rb

 # frozen_string_literal: true
 
 RSpec.shared_examples 'issuable invite members experiments' do
-  context 'when invite_members_version_a experiment is enabled' do
-    before do
-      stub_experiment_for_subject(invite_members_version_a: true)
-    end
-
+  context 'when a privileged user can invite' do
     it 'shows a link for inviting members and follows through to the members page' do
       project.add_maintainer(user)
       visit issuable_path
@@ -51,9 +47,9 @@ RSpec.shared_examples 'issuable invite members experiments' do
     end
   end
 
-  context 'when no invite members experiments are enabled' do
+  context 'when invite_members_version_b experiment is disabled' do
     it 'shows author in assignee dropdown and no invite link' do
-      project.add_maintainer(user)
+      project.add_developer(user)
       visit issuable_path
 
       find('.block.assignee .edit-link').click