cmCTestRunTest: Drop unused members

Source/CTest/cmCTestRunTest.h

@@ -88,14 +88,6 @@ private:
   cmCTestTestHandler* TestHandler;
   cmCTest* CTest;
   cmProcess* TestProcess;
-  // If the executable to run is ctest, don't create a new process;
-  // just instantiate a new cmTest.  (Can be disabled for a single test
-  // if this option is set to false.)
-  // bool OptimizeForCTest;
-
-  bool UsePrefixCommand;
-  std::string PrefixCommand;
-
   std::string ProcessOutput;
   std::string CompressedOutput;
   double CompressionRatio;