Remove unused affine transform from ParameterEditor code

Source/Processors/Editors/ParameterEditor.cpp

@@ -426,8 +426,8 @@ void ParameterCheckbox::paintButton(Graphics& g, bool isMouseOver, bool isButton
         g.setGradientFill(deactivatedGrad);
     }
 
-    AffineTransform a = AffineTransform::scale(0.98f, 0.94f, float(getWidth())/2.0f,
-                                               float(getHeight())/2.0f);
+   // AffineTransform a = AffineTransform::scale(0.98f, 0.94f, float(getWidth())/2.0f,
+    //                                           float(getHeight())/2.0f);
 
     g.fillRoundedRectangle(1, 1, getWidth()-2, getHeight()-2, 2.0f);