To remove content elements from Grid Builder it is necessary to add the following function to the functions.php of your WordPress theme.
Remove WooCommerce from “Add Element” List
<?php
function vc_remove_shortcodes_from_vc_grid_element( $shortcodes ) {
unset( $shortcodes['vc_gitem_acf'] );
return $shortcodes;
}
// using wp filter hook to remove shortcodes from the list;
add_filter( 'vc_grid_item_shortcodes', 'vc_remove_shortcodes_from_vc_grid_element', 100 );