How to Hide Store Locator Plus® Admin Menus

function plt_hide_store_locator_le_menus() {
	//Hide "Store Locator Plus®".
	remove_menu_page('csl-slplus');
	//Hide "Store Locator Plus® → Settings".
	remove_submenu_page('csl-slplus', 'slp_experience');
	//Hide "Store Locator Plus® → Style".
	remove_submenu_page('csl-slplus', 'slp-style');
	//Hide "Store Locator Plus® → Locations".
	remove_submenu_page('csl-slplus', 'slp_manage_locations');
	//Hide "Store Locator Plus® → Options".
	remove_submenu_page('csl-slplus', 'slp_general');
	//Hide "Store Locator Plus® → Info".
	remove_submenu_page('csl-slplus', 'slp_info');
}

add_action('admin_menu', 'plt_hide_store_locator_le_menus', 11);
Where do I put this code?