Remove old unused code

src/app/creator-room/creator-room.component.html

@@ -18,23 +18,19 @@
         </p>
       </mat-card-content>
       <mat-divider></mat-divider>
-
       <app-content-list></app-content-list>
-
       <mat-divider></mat-divider>
       <mat-card-actions>
         <button mat-button color="primary" matTooltip="Create new content" (click)="createContentDialog()">
           Create content
         </button>
-        <button mat-button color="primary" matTooltip="See room comments" routerLink="/creator/room/{{room.id}}/comments">
+        <button mat-button color="primary" matTooltip="See room comments"
+                routerLink="/creator/room/{{room.id}}/comments">
           Comments
         </button>
         <button *ngIf="!modify" (click)="showEditDialog()" mat-button color="primary">
           Edit room
         </button>
-        <button *ngIf="modify" (click)="updateRoom(roomName.valueOf(), roomShortID.valueOf(), roomDescription.valueOf())" mat-button color="primary" matTooltip="Update room's details">
-          Update room
-        </button>
         <button mat-button color="warn" (click)="openDeletionRoomDialog()">
           Delete room
         </button>
@@ -43,30 +39,6 @@
         </button>
       </mat-card-actions>
     </mat-card>
-    <mat-card *ngIf="modify && room" class="input-form">
-      <mat-card-header>
-        <h3>Modify properties</h3>
-      </mat-card-header>
-      <mat-card-content fxLayout="column">
-        <mat-form-field *ngIf="modify">
-          <input [(ngModel)]="room.name" #roomName matInput/>
-        </mat-form-field>
-        <mat-form-field>
-          <input [(ngModel)]="room.shortId" #roomShortID matInput/>
-        </mat-form-field>
-        <mat-form-field>
-          <textarea [(ngModel)]="room.description" #roomDescription matInput matTextareaAutosize matAutosizeMinRows="2" matAutosizeMaxRows="5"></textarea>
-        </mat-form-field>
-      </mat-card-content>
-      <mat-card-actions>
-        <button (click)="hideEditDialog()" mat-button color="primary">
-          Leave
-        </button>
-        <button (click)="updateRoom()" mat-button color="primary">
-          Update
-        </button>
-      </mat-card-actions>
-    </mat-card>
     <div *ngIf="!isLoading && !room">Error: room could not be found!</div>
   </div>
 </div>