clean up and lint files

src/app/modules/guest/guest-show.service.ts

@@ -10,9 +10,8 @@ import {ShowService} from '../shows/services/show.service';
 export class GuestShowService {
   public constructor(
     private showService: ShowService,
-    private guestShowDataService: GuestShowDataService,
-  ) {
-  }
+    private guestShowDataService: GuestShowDataService
+  ) {}
 
   public async share(show: Show, songs: Song[]): Promise<string> {
     const data = {