message: Remove unused frontend-side title change
diff: import { Component, Inject } from '@angular/core'
  import { TranslateService } from '@ngx-translate/core'
  -import { Title } from '@angular/platform-browser'
  import { DOCUMENT } from '@angular/common'
  @Component({
  @@ -10,11 +9,7 @@ import { DOCUMENT } from '@angular/common'
  })
  export class AppComponent {
  - constructor (@Inject(DOCUMENT) private _document: HTMLDocument, private titleService: Title, private translate: TranslateService) {
  + constructor (@Inject(DOCUMENT) private _document: HTMLDocument, private translate: TranslateService) {
  this.translate.setDefaultLang('en')
  }
  -
  - setTitle (newTitle: string) {
  - this.titleService.setTitle(newTitle)
  - }
  }
  