Tips on Customizing GoPray

How to Hide GoPray Admin Menus

function plt_hide_gopray_menus() {
	//Hide "GoPray".
	remove_menu_page('wpgp_plugin_menu');
	//Hide "GoPray → Prayer Requests".
	remove_submenu_page('wpgp_plugin_menu', 'edit.php?post_type=wpgp_prayer_request');
	//Hide "GoPray → Prayer Comments".
	remove_submenu_page('wpgp_plugin_menu', 'edit.php?post_type=wpgp_prayer_comment');
	//Hide "GoPray → Settings".
	remove_submenu_page('wpgp_plugin_menu', 'wpgp_settings');
}

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

Where do I put this code?

How to Hide GoPray Meta Boxes

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

	//Hide the "Prayer Request Details" meta box.
	remove_meta_box('wpgp_prayer_request_meta_box', $screen->id, 'advanced');
	//Hide the "Prayer Comment Details" meta box.
	remove_meta_box('wpgp_prayer_comment_meta_box', $screen->id, 'advanced');
}

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