Tips on Customizing Content Hubs

How to Hide Content Hubs Admin Menus

function plt_hide_content_hubs_menus() {
	//Hide "Content Hubs".
	remove_menu_page('edit.php?post_type=chps-content-hub');
	//Hide "Content Hubs → All Content Hubs".
	remove_submenu_page('edit.php?post_type=chps-content-hub', 'edit.php?post_type=chps-content-hub');
	//Hide "Content Hubs → Add new Content Hub".
	remove_submenu_page('edit.php?post_type=chps-content-hub', 'post-new.php?post_type=chps-content-hub');
	//Hide "Content Hubs → Upgrade".
	remove_submenu_page('edit.php?post_type=chps-content-hub', 'content-hub-plugin-pricing');
}

add_action('admin_menu', 'plt_hide_content_hubs_menus', 1000000000);

Where do I put this code?

How to Hide Content Hubs Meta Boxes

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

	//Hide the "Content Hub Teaser" meta box.
	remove_meta_box('chps_customfields', $screen->id, 'side');
	//Hide the "Settings" meta box.
	remove_meta_box('content-hub_customfields', $screen->id, 'normal');
}

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