chore: remove dead code

Author: simontreny

android/src/main/java/com/reactnativefastshadow/FastShadowView.java

@@ -62,12 +62,6 @@ public void releaseShadow() {
     shadow = null;
   }
 
-  @Override
-  protected void onDraw(Canvas canvas) {
-    int width = Math.round(PixelUtil.toDIPFromPixel(getWidth()));
-    super.onDraw(canvas);
-  }
-
   @Override
   public void draw(Canvas canvas) {
     // We override draw() and not onDraw() as we want to draw