Tips on Customizing Hotel Booking Lite

How to Hide Hotel Booking Lite Admin Menus

function plt_hide_motopress_hotel_booking_lite_menus() {
	//Hide "Accommodation".
	remove_menu_page('edit.php?post_type=mphb_room_type');
	//Hide "Accommodation → Accommodation Types".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit.php?post_type=mphb_room_type');
	//Hide "Accommodation → Add Accommodation Type".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'post-new.php?post_type=mphb_room_type');
	//Hide "Accommodation → Categories".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit-tags.php?taxonomy=mphb_room_type_category&post_type=mphb_room_type');
	//Hide "Accommodation → Tags".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit-tags.php?taxonomy=mphb_room_type_tag&post_type=mphb_room_type');
	//Hide "Accommodation → Amenities".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit-tags.php?taxonomy=mphb_room_type_facility&post_type=mphb_room_type');
	//Hide "Accommodation → Attributes".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'mphb_room_attribute');
	//Hide "Accommodation → Seasons".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit.php?post_type=mphb_season');
	//Hide "Accommodation → Rates".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit.php?post_type=mphb_rate');
	//Hide "Accommodation → Services".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit.php?post_type=mphb_room_service');
	//Hide "Accommodation → Accommodations".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'edit.php?post_type=mphb_room');
	//Hide "Accommodation → Generate Accommodations".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'mphb_rooms_generator');
	//Hide "Accommodation → Settings".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'mphb_settings');
	//Hide "Accommodation → Language".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'mphb_language');
	//Hide "Accommodation → Shortcodes".
	remove_submenu_page('edit.php?post_type=mphb_room_type', 'mphb_shortcodes');

	//Hide "Bookings".
	remove_menu_page('mphb_booking_menu');
	//Hide "Bookings → All Bookings".
	remove_submenu_page('mphb_booking_menu', 'edit.php?post_type=mphb_booking');
	//Hide "Bookings → Payment History".
	remove_submenu_page('mphb_booking_menu', 'edit.php?post_type=mphb_payment');
	//Hide "Bookings → Calendar".
	remove_submenu_page('mphb_booking_menu', 'mphb_calendar');
	//Hide "Bookings → Coupons".
	remove_submenu_page('mphb_booking_menu', 'edit.php?post_type=mphb_coupon');
	//Hide "Bookings → Booking Rules".
	remove_submenu_page('mphb_booking_menu', 'mphb_booking_rules');
	//Hide "Bookings → Taxes & Fees".
	remove_submenu_page('mphb_booking_menu', 'mphb_taxes_and_fees');
	//Hide "Bookings → Sync Calendars".
	remove_submenu_page('mphb_booking_menu', 'mphb_ical');
	//Hide "Bookings → Premium".
	remove_submenu_page('mphb_booking_menu', 'mphb_premium');
	//Hide "Bookings → Reports".
	remove_submenu_page('mphb_booking_menu', 'mphb_reports');
	//Hide "Bookings → Extensions".
	remove_submenu_page('mphb_booking_menu', 'mphb_extensions');
}

add_action('admin_menu', 'plt_hide_motopress_hotel_booking_lite_menus', 181);

Where do I put this code?

How to Hide Hotel Booking Lite Meta Boxes

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

	//Hide the "Update Booking" meta box.
	remove_meta_box('submitdiv', $screen->id, 'side');
	//Hide the "Logs" meta box.
	remove_meta_box('logs', $screen->id, 'side');
	//Hide the "Reserved Accommodations" meta box.
	remove_meta_box('mphb_rooms', $screen->id, 'advanced');
	//Hide the "Generate Accommodations" meta box.
	remove_meta_box('rooms', $screen->id, 'normal');
	//Hide the "Attributes" meta box.
	remove_meta_box('attributes', $screen->id, 'side');
	//Hide the "Accommodation Reviews" meta box.
	remove_meta_box('reviews', $screen->id, 'side');
	//Hide the "Terms" meta box.
	remove_meta_box('terms', $screen->id, 'normal');
}

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