Revert "Add MPI_INCLUDED macro if compiled with MPI and netCDF"

This reverts commit 8090ae66.

This patch breaks IBM MPI and is not required for newer netCDF versions

SConstruct

@@ -272,9 +272,6 @@ if 'libSDLDir' in env:
 if env['writeNetCDF'] == True:
   env.Append(CPPDEFINES=['WRITENETCDF'])
   env.Append(LIBS=['netcdf'])
-  # define MPI_INCLUDED, if writeNetCDF is used together with MPI
-  if env['parallelization'] != 'none' and env['parallelization'] != 'cuda':
-    env.Append(CPPDEFINES=['MPI_INCLUDED'])
   # set netCDF location
   if 'netCDFDir' in env:
     env.Append(CPPPATH=[env['netCDFDir']+'/include'])

src/writer/NetCdfWriter.hh

@@ -32,12 +32,6 @@
 #include <cstring>
 #include <string>
 #include <vector>
-
-// Needed for NetCDF
-#ifdef USEMPI
-#include <mpi.h>
-#endif
-
 #include <netcdf.h>
 
 #include "writer/Writer.hh"