How to Hide Particle WordPress Backgrounds Admin Menus

function plt_hide_swap_snow_fall_menus() {
	//Hide "Particle Hook".
	remove_menu_page('edit.php?post_type=ssf_particle_hook');
	//Hide "Particle Hook → All Particle Hooks".
	remove_submenu_page('edit.php?post_type=ssf_particle_hook', 'edit.php?post_type=ssf_particle_hook');
	//Hide "Particle Hook → Add New".
	remove_submenu_page('edit.php?post_type=ssf_particle_hook', 'post-new.php?post_type=ssf_particle_hook');
	//Hide "Particle Hook → Full Page Settings".
	remove_submenu_page('edit.php?post_type=ssf_particle_hook', 'swap-snow-fall');
}

add_action('admin_menu', 'plt_hide_swap_snow_fall_menus', 100);

Where do I put this code?