ERR: Removed useless set.

Source/kwsys/CMakeLists.txt

@@ -328,7 +328,6 @@ IF(KWSYS_USE_Process)
       SET(BIN_DIR ${EXECUTABLE_OUTPUT_PATH})
     ENDIF(EXECUTABLE_OUTPUT_PATH)
     
-    SET(MAKE_SYSTEM)
     SET(CFG_INTDIR "/${CMAKE_CFG_INTDIR}")
     IF(CMAKE_BUILD_TOOL MATCHES "make")
       SET(CFG_INTDIR "")