EX-3516 tests: skip hot-pools.sh during interop testing

EX-3516 tests: skip hot-pools.sh during interop testing

Skip hot pools for interop testing. It is really a server-side
functionality, and using old/new test scripts doesn't make sense.

Test-Parameters: trivial \
serverjob=lustre-b_es5_2 serverbuildno=305 \
testlist=hot-pools

Change-Id: I26fee51cf284b4f4a75ddd4ef715dd9ff417d283
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/44366
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>