function plt_hide_inext_woo_pincode_checker_menus() {
//Hide the "Woo Pincode Checker" menu.
remove_menu_page('inext-wpc-welcome');
//Hide the "Woo Pincode Checker → Welcome" menu.
remove_submenu_page('inext-wpc-welcome', 'inext-wpc-welcome');
//Hide the "Woo Pincode Checker → Settings" menu.
remove_submenu_page('inext-wpc-welcome', 'inext-wpc-settings');
}
add_action('admin_menu', 'plt_hide_inext_woo_pincode_checker_menus', 11);