Removed epic_new_issue feature flag references

Cleaned up tests for it too

ee/app/assets/javascripts/related_items_tree/components/related_items_tree_app.vue

@@ -67,9 +67,6 @@ export default {
     disableContents() {
       return this.itemAddInProgress || this.itemCreateInProgress;
     },
-    createIssueEnabled() {
-      return gon.features && gon.features.epicNewIssue;
-    },
     visibleForm() {
       if (this.showAddItemForm) {
         return FORM_SLOTS.addItem;
@@ -169,7 +166,6 @@ export default {
     >
       <related-items-tree-header :class="{ 'border-bottom-0': itemsFetchResultEmpty }">
         <issue-actions-split-button
-          v-if="createIssueEnabled"
           slot="issueActions"
           class="ml-1"
           @showAddIssueForm="showAddIssueForm"

ee/app/controllers/groups/epics_controller.rb

@@ -19,7 +19,6 @@ class Groups::EpicsController < Groups::ApplicationController
   before_action do
     push_frontend_feature_flag(:roadmap_graphql, @group)
     push_frontend_feature_flag(:vue_issuable_epic_sidebar, @group)
-    push_frontend_feature_flag(:epic_new_issue, @group, default_enabled: true)
   end
 
   def index

ee/spec/features/epics/epic_issues_spec.rb

@@ -40,10 +40,6 @@ describe 'Epic Issues', :js do
     wait_for_requests
   end
 
-  before do
-    stub_feature_flags(epic_new_issue: false)
-  end
-
   context 'when user is not a group member of a public group' do
     before do
       visit_epic
@@ -203,23 +199,16 @@ describe 'Epic Issues', :js do
       end
     end
 
-    context 'with epic_new_issue feature flag enabled' do
-      before do
-        stub_feature_flags(epic_new_issue: true)
-        visit_epic
-      end
-
-      it 'user can add new issues to the epic' do
-        references = "#{issue_to_add.to_reference(full: true)}"
+    it 'user can add new issues to the epic' do
+      references = "#{issue_to_add.to_reference(full: true)}"
 
-        add_issues(references, button_selector: '.js-issue-actions-split-button')
+      add_issues(references, button_selector: '.js-issue-actions-split-button')
 
-        expect(page).not_to have_selector('.gl-field-error')
-        expect(page).not_to have_content("Issue cannot be found.")
+      expect(page).not_to have_selector('.gl-field-error')
+      expect(page).not_to have_content("Issue cannot be found.")
 
-        within('.related-items-tree-container ul.related-items-list') do
-          expect(page).to have_selector('li.js-item-type-issue', count: 3)
-        end
+      within('.related-items-tree-container ul.related-items-list') do
+        expect(page).to have_selector('li.js-item-type-issue', count: 3)
       end
     end
 

ee/spec/frontend/related_items_tree/components/related_items_tree_app_spec.js

@@ -241,27 +241,18 @@ describe('RelatedItemsTreeApp', () => {
       });
     });
 
-    it('does not render issue actions split button', () => {
-      expect(findIssueActionsSplitButton().exists()).toBe(false);
-    });
-
     it('does not render create issue form', () => {
       expect(findCreateIssueForm().exists()).toBe(false);
     });
   });
 
-  describe('with epicNewIssue feature flag enabled', () => {
+  describe('issue actions split button', () => {
     beforeEach(() => {
-      window.gon.features = { epicNewIssue: true };
       wrapper = createComponent();
       wrapper.vm.$store.state.itemsFetchInProgress = false;
       return wrapper.vm.$nextTick();
     });
 
-    afterEach(() => {
-      window.gon.features = {};
-    });
-
     it('renders issue actions split button', () => {
       expect(findIssueActionsSplitButton().exists()).toBe(true);
     });