Rm feature flag for epics filtered search [RUN ALL RSPEC] [RUN AS-IF-FOSS]

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

@@ -23,7 +23,7 @@
             - checkbox_id = 'check-all-issues'
             %label.gl-sr-only{ for: checkbox_id }= _('Select all')
             = check_box_tag checkbox_id, nil, false, class: "check-all-issues left"
-        - if Feature.enabled?(:boards_filtered_search, @group) && is_epic_board
+        - if is_epic_board
           #js-board-filtered-search{ data: { full_path: @group&.full_path } }
         - else
           .issues-other-filters.filtered-search-wrapper.d-flex.flex-column.flex-md-row

config/feature_flags/development/boards_filtered_search.yml

----
-name: boards_filtered_search
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/54641
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/322778
-milestone: '13.10'
-type: development
-group: group::project management
-default_enabled: false

ee/app/assets/javascripts/epic_boards/index.js

@@ -7,6 +7,7 @@ import Vue from 'vue';
 import VueApollo from 'vue-apollo';
 import { mapActions, mapState } from 'vuex';
 
+import initFilteredSearch from 'ee/boards/epic_filtered_search';
 import { fullEpicBoardId, transformBoardConfig } from 'ee_component/boards/boards_util';
 import BoardSidebar from 'ee_component/boards/components/board_sidebar';
 import toggleLabels from 'ee_component/boards/toggle_labels';
@@ -55,13 +56,7 @@ export default () => {
     }
   });
 
-  if (gon?.features?.boardsFilteredSearch) {
-    import('ee/boards/epic_filtered_search')
-      .then(({ default: initFilteredSearch }) => {
-        initFilteredSearch(apolloProvider);
-      })
-      .catch(() => {});
-  }
+  initFilteredSearch(apolloProvider);
 
   // eslint-disable-next-line no-new
   new Vue({

ee/app/controllers/groups/epic_boards_controller.rb

@@ -10,7 +10,6 @@ class Groups::EpicBoardsController < Groups::ApplicationController
   before_action :assign_endpoint_vars
   before_action do
     push_frontend_feature_flag(:epic_boards, group, default_enabled: :yaml)
-    push_frontend_feature_flag(:boards_filtered_search, group)
   end
 
   track_redis_hll_event :index, :show, name: 'g_project_management_users_viewing_epic_boards'

ee/spec/features/epic_boards/epic_boards_spec.rb

@@ -214,7 +214,6 @@ RSpec.describe 'epic boards', :js do
   context 'filtered search' do
     before do
       stub_licensed_features(epics: true)
-      stub_feature_flags(boards_filtered_search: true)
 
       group.add_guest(user)
       sign_in(user)