message: API: Remove unused NotificationController parameter
diff: import {
  Authorized, BadRequestError, Body, CurrentUser, Delete, Get, JsonController, NotFoundError, Param,
  - Post, Req,
  + Post,
  UseBefore
  } from 'routing-controllers';
  import passportJwtMiddleware from '../security/passportJwtMiddleware';
  @@ -15,7 +15,6 @@ import {IUser} from '../../../shared/models/IUser';
  import {ICourse} from '../../../shared/models/ICourse';
  import {ILecture} from '../../../shared/models/ILecture';
  import {IUnit} from '../../../shared/models/units/IUnit';
  -import {Request} from 'express';
  import {SendMailOptions} from 'nodemailer';
  import emailService from '../services/EmailService';
  @@ -32,7 +31,6 @@ export class NotificationController {
  * @apiPermission admin
  *
  * @apiParam {Object} data Notification text and information on changed course, lecture and unit.
  - * @apiParam {Request} request Request.
  *
  * @apiSuccess {Boolean} notified Confirmation of notification.
  *
  @@ -46,7 +44,7 @@ export class NotificationController {
  */
  @Authorized(['teacher', 'admin'])
  @Post('/')
  - async createNotifications(@Body() data: any, @Req() request: Request) {
  + async createNotifications(@Body() data: any) {
  if (!data.changedCourse || !data.text) {
  throw new BadRequestError('Notification needs at least the fields course and text');
  }
  