Revert "Allow for chaining multible animations"

This reverts commit a5eacab.

Author: timogroborsch

src/gameobjects/components/Animation.js

@@ -87,15 +87,6 @@ var Animation = new Class({
          */
         this.nextAnim = null;
 
-        /**
-         * A queue of chained keys of the next Animations to be loaded into this Animation Controller when the current animation completes.
-         *
-         * @name Phaser.GameObjects.Components.Animation#nextAnim
-         * @type {Array}
-         * @default []
-         */
-        this.nextAnimsQueue = [];
-
         /**
          * Time scale factor.
          *
@@ -330,11 +321,7 @@ var Animation = new Class({
             key = key.key;
         }
 
-        if(this.nextAnim === null){
-          this.nextAnim = key;
-        }else{
-          this.nextAnimsQueue.push(key);
-        }
+        this.nextAnim = key;
 
         return this.parent;
     },
@@ -863,7 +850,7 @@ var Animation = new Class({
         {
             var key = this.nextAnim;
 
-            this.nextAnim = this.nextAnimsQueue.length > 0 ? this.nextAnimsQueue.shift() : null;
+            this.nextAnim = null;
 
             this.play(key);
         }