message: API: Remove generateToken mediaToken functionality
  This should be the last mediaToken remnant on the API-side.
diff: @@ -3,17 +3,8 @@ import {sign} from 'jsonwebtoken';
  import config from '../config/main';
  export class JwtUtils {
  - static generateToken(user: IUser, isMediaToken: boolean = false) {
  + static generateToken(user: IUser) {
  const data: any = {_id: user._id.toString()};
  - if (isMediaToken) {
  - // This isMediaToken property signifies that the token is only meant for media access, i.e. for images, videos, PDFs and so on.
  - // In the rest of the codebase (API back-end & App front-end) the special token with this property is called the mediaToken.
  - // It is explicitly NOT valid for any regular user operations, like viewing pages (that require the user to be logged-in).
  - // Thus, in combination with randomized unguessable filenames, URLs that have a mediaToken attached are technically sharable.
  - // Since the token will also expire eventually, any accidental leak of an URL with mediaToken should be contained automatically.
  - // (Unless the affected files are replicated and distributed by other means prior to the expiration of course.)
  - data.isMediaToken = true;
  - }
  return sign(
  data,
  config.secret,
  