How to Hide Page Builder: Live Composer Admin Menus and Meta Boxes

How to Hide Page Builder: Live Composer Admin Menus

function plt_hide_live_composer_page_builder_menus() {
	//Hide "Appearance → Templates".
	remove_submenu_page('themes.php', 'edit.php?post_type=dslc_templates');
	//Hide "Live Composer".
	remove_menu_page('dslc_plugin_options');

	//Hide "Downloads".
	remove_menu_page('edit.php?post_type=dslc_downloads');
	//Hide "Downloads → Downloads".
	remove_submenu_page('edit.php?post_type=dslc_downloads', 'edit.php?post_type=dslc_downloads');
	//Hide "Downloads → Add Download Item".
	remove_submenu_page('edit.php?post_type=dslc_downloads', 'post-new.php?post_type=dslc_downloads');
	//Hide "Downloads → Categories".
	remove_submenu_page('edit.php?post_type=dslc_downloads', 'edit-tags.php?taxonomy=dslc_downloads_cats&post_type=dslc_downloads');
	//Hide "Downloads → Tags".
	remove_submenu_page('edit.php?post_type=dslc_downloads', 'edit-tags.php?taxonomy=dslc_downloads_tags&post_type=dslc_downloads');

	//Hide "Galleries".
	remove_menu_page('edit.php?post_type=dslc_galleries');
	//Hide "Galleries → Galleries".
	remove_submenu_page('edit.php?post_type=dslc_galleries', 'edit.php?post_type=dslc_galleries');
	//Hide "Galleries → Add Gallery".
	remove_submenu_page('edit.php?post_type=dslc_galleries', 'post-new.php?post_type=dslc_galleries');
	//Hide "Galleries → Categories".
	remove_submenu_page('edit.php?post_type=dslc_galleries', 'edit-tags.php?taxonomy=dslc_galleries_cats&post_type=dslc_galleries');

	//Hide "Partners".
	remove_menu_page('edit.php?post_type=dslc_partners');
	//Hide "Partners → Partners".
	remove_submenu_page('edit.php?post_type=dslc_partners', 'edit.php?post_type=dslc_partners');
	//Hide "Partners → Add Partner".
	remove_submenu_page('edit.php?post_type=dslc_partners', 'post-new.php?post_type=dslc_partners');
	//Hide "Partners → Categories".
	remove_submenu_page('edit.php?post_type=dslc_partners', 'edit-tags.php?taxonomy=dslc_partners_cats&post_type=dslc_partners');

	//Hide "Projects".
	remove_menu_page('edit.php?post_type=dslc_projects');
	//Hide "Projects → Projects".
	remove_submenu_page('edit.php?post_type=dslc_projects', 'edit.php?post_type=dslc_projects');
	//Hide "Projects → Add Project".
	remove_submenu_page('edit.php?post_type=dslc_projects', 'post-new.php?post_type=dslc_projects');
	//Hide "Projects → Categories".
	remove_submenu_page('edit.php?post_type=dslc_projects', 'edit-tags.php?taxonomy=dslc_projects_cats&post_type=dslc_projects');

	//Hide "Staff".
	remove_menu_page('edit.php?post_type=dslc_staff');
	//Hide "Staff → Staff".
	remove_submenu_page('edit.php?post_type=dslc_staff', 'edit.php?post_type=dslc_staff');
	//Hide "Staff → Add Staff Member".
	remove_submenu_page('edit.php?post_type=dslc_staff', 'post-new.php?post_type=dslc_staff');
	//Hide "Staff → Categories".
	remove_submenu_page('edit.php?post_type=dslc_staff', 'edit-tags.php?taxonomy=dslc_staff_cats&post_type=dslc_staff');

	//Hide "Testimonials".
	remove_menu_page('edit.php?post_type=dslc_testimonials');
	//Hide "Testimonials → Testimonials".
	remove_submenu_page('edit.php?post_type=dslc_testimonials', 'edit.php?post_type=dslc_testimonials');
	//Hide "Testimonials → Add Testimonial".
	remove_submenu_page('edit.php?post_type=dslc_testimonials', 'post-new.php?post_type=dslc_testimonials');
	//Hide "Testimonials → Categories".
	remove_submenu_page('edit.php?post_type=dslc_testimonials', 'edit-tags.php?taxonomy=dslc_testimonials_cats&post_type=dslc_testimonials');
}

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

Where do I put this code?

How to Hide Page Builder: Live Composer Meta Boxes

function plt_hide_live_composer_page_builder_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Gallery Options" meta box.
	remove_meta_box('dslc-gallery-post-options', $screen->id, 'normal');
	//Hide the "Partner Options" meta box.
	remove_meta_box('dslc-partners-post-options', $screen->id, 'normal');
	//Hide the "Project Options" meta box.
	remove_meta_box('dslc-projects-post-options', $screen->id, 'normal');
	//Hide the "Staff Member Options" meta box.
	remove_meta_box('dslc-staff-post-options', $screen->id, 'normal');
	//Hide the "Testimonial Options" meta box.
	remove_meta_box('dslc-testimonials-post-options', $screen->id, 'normal');
	//Hide the "Download Options" meta box.
	remove_meta_box('dslc-downloads-module-options', $screen->id, 'normal');
	//Hide the "Template Options" meta box.
	remove_meta_box('dslc-templates-opts', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_live_composer_page_builder_metaboxes', 20);

Tips on Customizing Live Composer – Free WordPress Website Builder

How to Hide Page Builder: Live Composer Admin Menus

How to Hide Page Builder: Live Composer Meta Boxes