message: API: Remove unused imports in User.ts
diff: @@ -13,14 +13,12 @@ import {allRoles} from '../config/roles';
  import {IProperties} from '../../../shared/models/IProperties';
  import {extractMongoId} from '../utilities/ExtractMongoId';
  import {ensureMongoToObject} from '../utilities/EnsureMongoToObject';
  -import {IUnit} from '../../../shared/models/units/IUnit';
  import {Course, ICourseModel} from './Course';
  import {NotificationSettings} from './NotificationSettings';
  import {Notification} from './Notification';
  import {WhitelistUser} from './WhitelistUser';
  import {Progress} from './progress/Progress';
  import fs = require('fs');
  -import emailService from '../services/EmailService';
  interface IUserModel extends IUser, mongoose.Document {
  