vendor tab

add_action('init', 'remove_vendor_write_panel_tabs');

function remove_vendor_write_panel_tabs() {
   global $WCMp;
   $user_id = get_current_user_id();
   if (is_user_wcmp_vendor($user_id)) {
       remove_action('woocommerce_product_write_panel_tabs', array($WCMp->product, 'add_vendor_tab'), 30);
   }
}