How to remove Product Zoom Funtion from Magento 1.9 rwd theme

If you want remove the zoom feature from Magento 1.9's rwd theme!
You can't remove this with css only, you have to completely disable this
by following solution

1. Create an override of file /skin/frontend/rwd/default/js/app.js (for example in /skin/frontend/rwd/mystyle/js/app.js)

comment the line:

//image.elevateZoom();

2. Open /frontend/rwd/default/layout/catalog.xml, In <catalog_product_view> section comment below line

<action method="addItem"><type>skin_js</type><script>js/lib/elevatezoom/jquery.elevateZoom-3.0.8.min.js</script></action>