bp_delete_member_type( $post_id )

function bp_delete_member_type( $post_id ) {
	global $wpdb;

	$post = get_post( $post_id );

	//Return if post is not 'bp-member-type' type
	if ( bp_get_member_type_post_type() !== $post->post_type ) return;

	$member_type_name 	= bp_get_member_type_key( $post_id );
	$type_term 			= get_term_by( 'name', $member_type_name, 'bp_member_type' ); // Get profile type term data from database by name field.

	//term exist
	if ( $type_term ) {

		//Removes a profile type term from the database.
		wp_delete_term( $type_term->term_id, 'bp_member_type' );

		//Removes a profile type term relation with users from the database.
		$wpdb->delete( $wpdb->term_relationships, array( 'term_taxonomy_id' => $type_term->term_taxonomy_id ) );
	}
}