cleanup: IPPL_MPIXX related code removed

ippl/src/Message/CommMPI.cpp

@@ -52,11 +52,7 @@
 
 // static data to keep track of errors
 static int numErrors = 0;
-#if defined(IPPL_MPIXX)
-static MPI_Aint size_of_MPI_INT; /* needed for tracing */
-#else
 static int size_of_MPI_INT; /* needed for tracing */
-#endif
 
 // temporary buffer used for speed
 #define PSIZE 1024*16

ippl/src/Message/Message.h

@@ -606,13 +606,13 @@ inline void getMessage_iter(Message &m, OutputIterator o)
 }
 
 
-#if ( defined(IPPL_MPIXX) || defined(IPPL_PM) )
+#if ( defined(IPPL_PM) )
 #define main mpi_main
 extern "C"
 {
     int mpi_main(int, char**);
 }
-#endif // IPPL_MPIXX || IPPL_PM
+#endif // IPPL_PM
 
 #include "Message/Message.hpp"