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
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...