cleanup(viewport): remove useless code

Author: Valentin Vetter

engine/modules/viewport/src/main/resources/view/viewport-module/ViewportModule.js

@@ -79,15 +79,6 @@ export class ViewportModule {
     }
   }
 
-  /**
-   * Called when global data is received. Should only be called on init.
-   * @param players information about players, such as avatar, name, color..
-   * @param globalData data that has been sent from the Java module.
-   */
-  handleGlobalData (players, globalData) {
-    this.globalData = globalData
-  }
-
   /**
    * Called when the scene needs an update.
    * @param previousData data from the previous frame.
@@ -98,11 +89,4 @@ export class ViewportModule {
   updateScene (previousData, currentData, progress, speed) {
   }
 
-  /**
-   * Called every delta milliseconds.
-   * @param delta time between current and last call. Aproximately 16ms by default.
-   */
-  animateScene (delta) {
-  }
-
 }