Delete a duplicated test and fix a flaky test

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/features/projects/settings/forked_project_settings_spec.rb

@@ -25,7 +25,8 @@ RSpec.describe 'Projects > Settings > For a forked project', :js do
       fill_in('confirm_name_input', with: forked_project.name)
       click_button('Confirm')
 
-      expect(page).to have_content('The fork relationship has been removed.')
+      wait_for_requests
+
       expect(forked_project.reload.forked?).to be_falsy
     end
   end

spec/features/projects_spec.rb

@@ -174,26 +174,6 @@ RSpec.describe 'Project' do
     end
   end
 
-  describe 'remove forked relationship', :js do
-    let(:user)    { create(:user) }
-    let(:project) { fork_project(create(:project, :public), user, namespace: user.namespace) }
-
-    before do
-      sign_in user
-      visit edit_project_path(project)
-    end
-
-    it 'removes fork', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/327817' do
-      expect(page).to have_content 'Remove fork relationship'
-
-      remove_with_confirm('Remove fork relationship', project.path)
-
-      expect(page).to have_content 'The fork relationship has been removed.'
-      expect(project.reload.forked?).to be_falsey
-      expect(page).not_to have_content 'Remove fork relationship'
-    end
-  end
-
   describe 'showing information about source of a project fork' do
     let(:user) { create(:user) }
     let(:base_project) { create(:project, :public, :repository) }