Remove unused data-testid and feature flag code

Update screenshots

app/assets/javascripts/jira_connect/components/app.vue

@@ -3,7 +3,6 @@ import { GlAlert, GlButton, GlLink, GlModal, GlModalDirective, GlSprintf } from
 import { mapState, mapMutations } from 'vuex';
 import { retrieveAlert, getLocation } from '~/jira_connect/utils';
 import { __ } from '~/locale';
-import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 import { SET_ALERT } from '../store/mutation_types';
 import GroupsList from './groups_list.vue';
 import SubscriptionsList from './subscriptions_list.vue';
@@ -22,7 +21,6 @@ export default {
   directives: {
     GlModalDirective,
   },
-  mixins: [glFeatureFlagsMixin()],
   inject: {
     usersPath: {
       default: '',

app/assets/javascripts/jira_connect/components/group_item_name.vue

@@ -23,13 +23,10 @@ export default {
     </div>
 
     <div>
-      <span
-        class="gl-mr-3 gl-text-gray-900! gl-font-weight-bold"
-        data-testid="group-list-item-name"
-      >
+      <span class="gl-mr-3 gl-text-gray-900! gl-font-weight-bold">
         {{ group.full_name }}
       </span>
-      <div v-if="group.description" data-testid="group-list-item-description">
+      <div v-if="group.description">
         <p class="gl-mt-2! gl-mb-0 gl-text-gray-600" v-text="group.description"></p>
       </div>
     </div>

spec/frontend/jira_connect/components/__snapshots__/group_item_name_spec.js.snap

@@ -26,16 +26,13 @@ exports[`GroupItemName template matches the snapshot 1`] = `
   <div>
     <span
       class="gl-mr-3 gl-text-gray-900! gl-font-weight-bold"
-      data-testid="group-list-item-name"
     >
       
       Gitlab Org
     
     </span>
      
-    <div
-      data-testid="group-list-item-description"
-    >
+    <div>
       <p
         class="gl-mt-2! gl-mb-0 gl-text-gray-600"
       >