magento remove configurable product price from dropdown in admin panel

Go to app\design\adminhtml\default\default\template\catalog\product\composite\fieldset\configurable.phtml

Replace the script code



<script type="text/javascript">
   // var config = <?php echo $this->getJsonConfig() ?>;


Product.Config.prototype.formatPrice = function(){ return ''; }
var config = new Product.Config(<?php echo $this->getJsonConfig() ?>);



    if (window.productConfigure) {
        config.containerId = window.productConfigure.blockFormFields.id;
        if (window.productConfigure.restorePhase) {
            config.inputsInitialized = true;
        }
    }
    ProductConfigure.spConfig = new Product.Config(config);
</script>

Then  enjoy....