cmCTestTestHandler: Remove outdated comment

Remove a comment that has not been relevant since commit 177edc5ed1
(Fixed ctest -N segfault issue.  Further refactored ctest.  Enabled
failover for ctest, 2009-08-27, v2.8.0~250).

Source/CTest/cmCTestTestHandler.h

@@ -119,10 +119,6 @@ public:
     bool operator!=(const cmCTestTestResourceRequirement& other) const;
   };
 
-  // NOTE: This struct is Saved/Restored
-  // in cmCTestTestHandler, if you add to this class
-  // then you must add the new members to that code or
-  // ctest -j N will break for that feature
   struct cmCTestTestProperties
   {
     std::string Name;