removed MSVC build for MpiHandshake because it does not support MPI_Comm_create_group

source/adios2/CMakeLists.txt

@@ -162,6 +162,7 @@ endif()
 
 if(ADIOS2_HAVE_SSC)
     target_sources(adios2 PRIVATE
+        helper/adiosMpiHandshake.h  helper/adiosMpiHandshake.cpp
         engine/ssc/SscReader.cpp
         engine/ssc/SscReader.tcc
         engine/ssc/SscWriter.cpp
@@ -231,7 +232,6 @@ if(ADIOS2_HAVE_MPI)
   target_sources(adios2 PRIVATE
     core/IOMPI.cpp
     helper/adiosCommMPI.h  helper/adiosCommMPI.cpp
-    helper/adiosMpiHandshake.h  helper/adiosMpiHandshake.cpp
     engine/insitumpi/InSituMPIWriter.cpp engine/insitumpi/InSituMPIWriter.tcc
     engine/insitumpi/InSituMPIReader.cpp engine/insitumpi/InSituMPIReader.tcc
     engine/insitumpi/InSituMPIFunctions.cpp engine/insitumpi/InSituMPISchedules.cpp