CP-7527 remove the unused HostHasWlbCheck.cs and PoolHasWlbRemovalProblem.cs.

Signed-off-by: zheng chai <zheng.chai@citrix.com>
Merge remote-tracking branch 'upstream/xs64bit' into cp-7527
Merge pull request #65 from GaborApatiNagy/xs64bit

CA-115429: Fixed: Deletion of snapshot is successful but XenCenter logs ...
CA-135560: Fix Creedence version number check and make WLB tab behaviour same for 6.5 and 6.1.

Signed-off-by: Zheng Chai <zheng.chai@citrix.com>
Merge pull request #66 from Zhengchai/CA-135560

CA-135560: Fix Creedence version number check and make WLB tab behaviour...
CA-115429: New fix as per code review: Deletion of snapshot is successful but XenCenter logs show error.

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>