Devtools Animations: Remove unused keyframe style information

Source/devtools/front_end/sdk/AnimationModel.js

Index: Source/devtools/front_end/sdk/AnimationModel.js
diff --git a/Source/devtools/front_end/sdk/AnimationModel.js b/Source/devtools/front_end/sdk/AnimationModel.js
index 573293b402253abe935d0204af9832f2782d23e9..8c661581a74d31f3e6b8beac4289f467a5c34e4c 100644
--- a/Source/devtools/front_end/sdk/AnimationModel.js
+++ b/Source/devtools/front_end/sdk/AnimationModel.js
@@ -406,7 +406,6 @@ WebInspector.AnimationModel.KeyframeStyle = function(target, payload)
 {
     WebInspector.SDKObject.call(this, target);
     this._payload = payload;
-    this._style = WebInspector.CSSStyleDeclaration.parsePayload(this.target().cssModel, payload.style);
     this._offset = this._payload.offset;
 }
 
@@ -436,14 +435,6 @@ WebInspector.AnimationModel.KeyframeStyle.prototype = {
     },
 
     /**
-     * @return {!WebInspector.CSSStyleDeclaration}
-     */
-    style: function()
-    {
-        return this._style;
-    },
-
-    /**
      * @return {string}
      */
     easing: function()