How to Hide HT Slider for Elementor - Add Hero Slider, Post Slider Carousel, Image Slider, Video Slider, Ecommerce Slider Admin Menus

function plt_hide_ht_slider_for_elementor_menus() {
	//Hide the "HT Slider" menu.
	remove_menu_page('htslider_page');
	//Hide the "HT Slider → HT Slider" menu.
	remove_submenu_page('htslider_page', 'htslider_page');
	//Hide the "HT Slider → Upgrade to Pro" menu.
	remove_submenu_page('htslider_page', 'https://hasthemes.com/plugins/ht-slider-pro-for-elementor/?utm_source=admin&utm_medium=mainmenu&utm_campaign=free');
}

add_action('admin_menu', 'plt_hide_ht_slider_for_elementor_menus', 330);

Where do I put this code?