Migrate license policy submit loading button

ee/app/assets/javascripts/vue_shared/license_compliance/components/add_license_form.vue

 <script>
 import { GlButton } from '@gitlab/ui';
-import LoadingButton from '~/vue_shared/components/loading_button.vue';
 import { LICENSE_APPROVAL_STATUS } from '../constants';
 import AddLicenseFormDropdown from './add_license_form_dropdown.vue';
 import { s__ } from '~/locale';
@@ -10,7 +9,6 @@ export default {
   components: {
     AddLicenseFormDropdown,
     GlButton,
-    LoadingButton,
   },
   LICENSE_APPROVAL_STATUS,
   approvalStatusOptions: [
@@ -86,17 +84,21 @@ export default {
         </label>
       </div>
     </div>
-    <loading-button
+    <div class="gl-display-flex">
+      <gl-button
         class="js-submit"
         :disabled="submitDisabled"
         :loading="loading"
-      container-class="btn btn-success btn-align-content d-inline-flex"
-      :label="s__('LicenseCompliance|Submit')"
+        category="primary"
+        variant="success"
         data-qa-selector="add_license_submit_button"
         @click="addLicense"
-    />
-    <gl-button class="js-cancel" :disabled="loading" @click="closeForm">
-      {{ s__('LicenseCompliance|Cancel') }}
+      >
+        {{ __('Submit') }}
+      </gl-button>
+      <gl-button class="js-cancel ml-2" :disabled="loading" @click="closeForm">
+        {{ __('Cancel') }}
       </gl-button>
     </div>
+  </div>
 </template>

locale/gitlab.pot

@@ -13444,9 +13444,6 @@ msgstr ""
 msgid "LicenseCompliance|Allowed"
 msgstr ""
 
-msgid "LicenseCompliance|Cancel"
-msgstr ""
-
 msgid "LicenseCompliance|Denied"
 msgstr ""
 
@@ -13506,9 +13503,6 @@ msgstr ""
 msgid "LicenseCompliance|Remove license?"
 msgstr ""
 
-msgid "LicenseCompliance|Submit"
-msgstr ""
-
 msgid "LicenseCompliance|There are currently no approved or blacklisted licenses in this project."
 msgstr ""
 
@@ -22150,6 +22144,9 @@ msgstr ""
 msgid "Subkeys"
 msgstr ""
 
+msgid "Submit"
+msgstr ""
+
 msgid "Submit %{humanized_resource_name}"
 msgstr ""