Patches to API.
Revert "Updates to allow for server groups."

This reverts commit fa91677cba9684a6137b57e712380a0f8d747c9e.

Conflicts:
	Scripts/WHMCS/modules/servers/feathur/feathur.php
	feathur/api.php
	feathur/includes/functions/ipaddresses.class.php
	feathur/update.php