Overriden Servers.destroy method
Overriden Servers.destroy method

https://redmine.dev.cyfronet.pl/issues/3335

Severs.destroy method used to require service id and failed
if it was invoked with id_at_site parameter. Refactored the method
so that it accepts id_at_site, gets the server by that id and invokes
its destroy method.

dice-cyfronet/atmosphere,donpiekarz/atmosphere,dice-cyfronet/atmosphere,donpiekarz/atmosphere,donpiekarz/atmosphere,dice-cyfronet/atmosphere