Fix code style

src/app/components/fragments/comment-list/comment-list.component.ts

@@ -56,5 +56,4 @@ export class CommentListComponent implements OnInit {
       this.notification.show(`Comment '${comment.subject}' successfully deleted.`);
     });
   }
-
 }

src/app/components/pages/room-participant-page/room-participant-page.component.ts

@@ -32,5 +32,4 @@ export class RoomParticipantPageComponent implements OnInit {
         this.isLoading = false;
       });
   }
-
 }

src/app/services/http/content-answer.service.ts

@@ -5,6 +5,7 @@ import { Observable } from 'rxjs/Observable';
 import { catchError, tap } from 'rxjs/operators';
 import { BaseHttpService } from './base-http.service';
 import { AnswerChoice } from '../../models/answer-choice';
+
 const httpOptions = {
   headers: new HttpHeaders({ 'Content-Type': 'application/json' })
 };