message: fixup: remove now unused import
diff: @@ -22,7 +22,6 @@ import EditorModel from '../../../editor/model';
  import HistoryManager from '../../../editor/history';
  import {setCaretPosition} from '../../../editor/caret';
  import {
  - replaceRangeAndExpandSelection,
  formatRangeAsQuote,
  formatRangeAsCode,
  formatInline,
  