Remove redundant addCleanup for servers in server actions tests

for some of tests addCleanup used twice
that leads to errors on cleanup second time
{'code': 404,
'message': 'Instance 0f71fb8d-a3bc-4653-ace3-40fca24178ac could not be found.'}

Related-prod: PRODX-13703
Change-Id: Ie762ae5064fc4648a3ce35287f88783b95df8a86
1 file changed