[+] Project : adding Features detachables in order to improve performance

// clean code

config/smarty.config.inc.php

@@ -72,7 +72,6 @@ smartyRegisterFunction($smarty, 'function', 'd', 'smartyDieObject'); // unused
 smartyRegisterFunction($smarty, 'function', 'l', 'smartyTranslate');
 
 smartyRegisterFunction($smarty, 'function', 'dateFormat', array('Tools', 'dateFormat'));
-smartyRegisterFunction($smarty, 'function', 'productPrice', array('Product', 'productPrice')); // unused
 smartyRegisterFunction($smarty, 'function', 'convertPrice', array('Product', 'convertPrice'));
 smartyRegisterFunction($smarty, 'function', 'convertPriceWithCurrency', array('Product', 'convertPriceWithCurrency'));
 smartyRegisterFunction($smarty, 'function', 'displayWtPrice', array('Product', 'displayWtPrice'));