message: Clean up imports on file unit
diff: @@ -3,9 +3,6 @@ import {IUnitModel} from './Unit';
  import {IFileUnit} from '../../../../shared/models/units/IFileUnit';
  import fs = require('fs');
  import {IFile} from '../../../../shared/models/IFile';
  -import {IUser} from '../../../../shared/models/IUser';
  -import {IUnit} from '../../../../shared/models/units/IUnit';
  -import {IProgress} from '../../../../shared/models/progress/IProgress';
  interface IFileUnitModel extends IFileUnit, IUnitModel {
  exportJSON: () => Promise<IFileUnit>;
  