function plt_hide_bit_assist_menus() {
//Hide the "Bit Assist" menu.
remove_menu_page('bit-assist');
//Hide the "Bit Assist → All Widgets" menu.
remove_submenu_page('bit-assist', 'admin.php?page=bit-assist#/');
}
add_action('admin_menu', 'plt_hide_bit_assist_menus', 11);