message: Shared: Remove unused import from ICourse
diff: @@ -3,7 +3,6 @@ import {ILecture} from './ILecture';
  import {IWhitelistUser} from './IWhitelistUser';
  import {IDirectory} from './mediaManager/IDirectory';
  import {IPicture} from './mediaManager/IPicture';
  -import {IFile} from './mediaManager/IFile';
  import {IChatRoom} from './IChatRoom';
  export const ENROLL_TYPE_WHITELIST = 'whitelist';
  