Remove unused decorators

Author: larswaechter

src/api/components/global/user-invitation/service.ts

@@ -1,10 +1,8 @@
 import { bind } from 'decko';
-import { Service } from 'typedi';
 import { Repository, FindConditions, getManager } from 'typeorm';
 
 import { UserInvitation } from './model';
 
-@Service()
 export class UserInvitationService {
 	private readonly repo: Repository<UserInvitation> = getManager().getRepository(UserInvitation);
 

src/services/cache.ts

@@ -1,9 +1,7 @@
 import nodeCache from 'node-cache';
-import { Service } from 'typedi';
 
 import { env } from '@config/globals';
 
-@Service()
 export class CacheService {
 	private static cache: nodeCache = new nodeCache({ stdTTL: env.CACHE_TTL });
 

src/services/mail.ts

@@ -1,7 +1,6 @@
 import { Data, renderFile } from 'ejs';
 import { createTransport, SendMailOptions, SentMessageInfo, Transporter, TransportOptions } from 'nodemailer';
 import { resolve } from 'path';
-import { Service } from 'typedi';
 
 import { env } from '@config/globals';
 import { logger } from '@config/logger';
@@ -12,7 +11,6 @@ import { logger } from '@config/logger';
  * Service for sending emails
  * Mail services in components inherits from this one
  */
-@Service()
 export class MailService {
 	private transporter: Transporter = createTransport(env.SMTP as TransportOptions);