Fix form javascript

app/assets/javascripts/pages/projects/settings/repository/create_deploy_token/index.js

+import initForm from '../form';
+
+document.addEventListener('DOMContentLoaded', initForm);

app/assets/javascripts/pages/projects/settings/repository/form.js

+/* eslint-disable no-new */
+
+import ProtectedTagCreate from '~/protected_tags/protected_tag_create';
+import ProtectedTagEditList from '~/protected_tags/protected_tag_edit_list';
+import initSettingsPanels from '~/settings_panels';
+import initDeployKeys from '~/deploy_keys';
+import ProtectedBranchCreate from '~/protected_branches/protected_branch_create';
+import ProtectedBranchEditList from '~/protected_branches/protected_branch_edit_list';
+import DueDateSelectors from '~/due_date_select';
+
+export default () => {
+  new ProtectedTagCreate();
+  new ProtectedTagEditList();
+  initDeployKeys();
+  initSettingsPanels();
+  new ProtectedBranchCreate(); // eslint-disable-line no-new
+  new ProtectedBranchEditList(); // eslint-disable-line no-new
+  new DueDateSelectors();
+};

app/assets/javascripts/pages/projects/settings/repository/show/index.js

-/* eslint-disable no-new */
+import initForm from '../form';
 
-import ProtectedTagCreate from '~/protected_tags/protected_tag_create';
-import ProtectedTagEditList from '~/protected_tags/protected_tag_edit_list';
-import initSettingsPanels from '~/settings_panels';
-import initDeployKeys from '~/deploy_keys';
-import ProtectedBranchCreate from '~/protected_branches/protected_branch_create';
-import ProtectedBranchEditList from '~/protected_branches/protected_branch_edit_list';
-import DueDateSelectors from '~/due_date_select';
-
-document.addEventListener('DOMContentLoaded', () => {
-  new ProtectedTagCreate();
-  new ProtectedTagEditList();
-  initDeployKeys();
-  initSettingsPanels();
-  new ProtectedBranchCreate(); // eslint-disable-line no-new
-  new ProtectedBranchEditList(); // eslint-disable-line no-new
-  new DueDateSelectors();
-});
+document.addEventListener('DOMContentLoaded', initForm);

doc/user/project/deploy_tokens/index.md

-# Deploy Tokens 
+# Deploy Tokens
 
 > [Introduced][ce-17894] in GitLab 10.7.