bp_groups_remove_group_type( int $group_id, string $group_type )

function bp_groups_remove_group_type( $group_id, $group_type ) {
	if ( empty( $group_type ) || ! bp_groups_get_group_type_object( $group_type ) ) {
		return false;
	}

	$deleted = bp_remove_object_terms( $group_id, $group_type, 'bp_group_type' );

	// Bust the case, if the type has been removed.
	if ( ! is_wp_error( $deleted ) ) {
		wp_cache_delete( $group_id, 'bp_groups_group_type' );

		/**
		 * Fires just after a group's group type has been removed.
		 *
		 * @since BuddyPress 2.6.0
		 *
		 * @param int    $group      ID of the group whose group type has been removed.
		 * @param string $group_type Group type.
		 */
		do_action( 'bp_groups_remove_group_type', $group_id, $group_type );
	}

	return $deleted;
}