Remove unused local variable

Author: vpop

MPChartLib/src/main/java/com/github/mikephil/charting/renderer/LineChartRenderer.java

@@ -181,7 +181,6 @@ protected void drawHorizontalBezier(ILineDataSet dataSet) {
 
     protected void drawCubicBezier(ILineDataSet dataSet) {
 
-        float phaseX = Math.max(0.f, Math.min(1.f, mAnimator.getPhaseX()));
         float phaseY = mAnimator.getPhaseY();
 
         Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());