message: API: Remove unused CourseController.ts imports
diff: @@ -20,19 +20,14 @@ import {ICourseDashboard} from '../../../shared/models/ICourseDashboard';
  import {ICourseView} from '../../../shared/models/ICourseView';
  import {IUser} from '../../../shared/models/IUser';
  import {ObsCsvController} from './ObsCsvController';
  -import {Course, ICourseModel} from '../models/Course';
  +import {Course} from '../models/Course';
  import {User} from '../models/User';
  import {WhitelistUser} from '../models/WhitelistUser';
  import emailService from '../services/EmailService';
  const multer = require('multer');
  import crypto = require('crypto');
  -import {IUnitModel} from '../models/units/Unit';
  -import {API_NOTIFICATION_TYPE_ALL_CHANGES, API_NOTIFICATION_TYPE_NONE, NotificationSettings} from '../models/NotificationSettings';
  -import {Notification} from '../models/Notification';
  -import * as mongoose from 'mongoose';
  -import {Schema} from 'mongoose';
  -import ObjectId = mongoose.Types.ObjectId;
  +import {API_NOTIFICATION_TYPE_ALL_CHANGES, NotificationSettings} from '../models/NotificationSettings';
  import {IWhitelistUser} from '../../../shared/models/IWhitelistUser';
  const uploadOptions = {
  