Fix incorrect deletion of group when node deleted
Fix incorrect deletion of group when node deleted

Accidently changed node deletion to target a group instead, fix
it back the way it was.

jjohnson42/confluent,chenglch/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent,michaelfardu/thinkconfluent,chenglch/confluent,chenglch/confluent,michaelfardu/thinkconfluent,xcat2/confluent,michaelfardu/thinkconfluent,jufm/confluent,chenglch/confluent,whowutwut/confluent,xcat2/confluent,jjohnson42/confluent,xcat2/confluent,michaelfardu/thinkconfluent,jufm/confluent,chenglch/confluent,jjohnson42/confluent,whowutwut/confluent,whowutwut/confluent,michaelfardu/thinkconfluent,whowutwut/confluent,jufm/confluent,jufm/confluent,jufm/confluent