Remove unused mDrawPaint instance

Author: PhilJay

MPChartLib/src/main/java/com/github/mikephil/charting/charts/Chart.java

@@ -239,8 +239,6 @@ public void onAnimationUpdate(ValueAnimator animation) {
         mInfoPaint.setTextAlign(Align.CENTER);
         mInfoPaint.setTextSize(Utils.convertDpToPixel(12f));
 
-        mDrawPaint = new Paint(Paint.DITHER_FLAG);
-
         if (mLogEnabled)
             Log.i("", "Chart.init()");
     }
@@ -394,11 +392,6 @@ protected void setupDefaultFormatter(float min, float max) {
      */
     private boolean mOffsetsCalculated = false;
 
-    /**
-     * paint object used for drawing the bitmap
-     */
-    protected Paint mDrawPaint;
-
     @Override
     protected void onDraw(Canvas canvas) {
         // super.onDraw(canvas);