remove unnecessary parenthesis

src/app/components/participant/_dialogs/user-bonus-token/user-bonus-token.component.html

@@ -9,7 +9,7 @@
          (click)="navToComment(i)">
       <h2 class="token"
           tabindex="1">{{bonusToken.token}}</h2>
-      <h2 class="roomName">(&raquo;{{bonusToken.roomName}}&laquo;)</h2>
+      <h2 class="roomName">&raquo;{{bonusToken.roomName}}&laquo;</h2>
     </div>
     <mat-divider></mat-divider>
     <div fxLayout="column">