Masonry and other animation stop working after 4.0.5 update

after isolating each section in the function.php file, it turns out this section is causing it, any idea why?

/*
*WordPress Optimization | Remove Query strings from Static Resources
*http://diywpblog.com/wordpress-optimization-remove-query-strings-from-static-resources/

function _remove_script_version( $src ){
	$parts = explode( '?ver', $src );
        return $parts[0];
}
add_filter( 'script_loader_src', '_remove_script_version', 15, 1 );
add_filter( 'style_loader_src', '_remove_script_version', 15, 1 );
*/