message: Drop discussion support from `quick-comment-edit`
diff: @@ -19,7 +19,7 @@ function addQuickEditButton(commentForm: Element): void {
  <button
  type="button"
  role="menuitem"
  - className={'timeline-comment-action btn-link js-comment-edit-button rgh-quick-comment-edit-button' + (pageDetect.isDiscussion() ? ' js-discussions-comment-edit-button' : '')}
  + className="timeline-comment-action btn-link js-comment-edit-button rgh-quick-comment-edit-button"
  aria-label="Edit comment"
  >
  <PencilIcon/>
  @@ -53,7 +53,6 @@ function init(signal: AbortSignal): void {
  void features.add(import.meta.url, {
  include: [
  pageDetect.hasComments,
  - pageDetect.isDiscussion,
  ],
  exclude: [
  pageDetect.isArchivedRepo,
  