How to Hide Bit Integrations Admin Menus

function plt_hide_bit_integrations_menus() {
	//Hide "Bit Integrations".
	remove_menu_page('bit-integrations');
	//Hide "Bit Integrations → All Integrations".
	remove_submenu_page('bit-integrations', 'admin.php?page=bit-integrations#/');
	//Hide "Bit Integrations → Doc & Support".
	remove_submenu_page('bit-integrations', 'admin.php?page=bit-integrations#/doc-support');
	//Hide "Bit Integrations → Settings".
	remove_submenu_page('bit-integrations', 'admin.php?page=bit-integrations#/app-settings');
}

add_action('admin_menu', 'plt_hide_bit_integrations_menus', 11);

Where do I put this code?