Removed un-used vars

Author: photonstorm

src/renderer/webgl/pipelines/FlatTintPipeline.js

@@ -769,11 +769,9 @@ var FlatTintPipeline = new Class({
         var radius = 0;
         var startAngle = 0;
         var endAngle = 0;
-        var anticlockwise = 0;
         var path = null;
         var sin = Math.sin;
         var cos = Math.cos;
-        var PI2 = Math.PI * 2;
         var sr = sin(srcRotation);
         var cr = cos(srcRotation);
         var sra = cr * srcScaleX;