get rid of old libmpi fix (#269)

Author: ritvikrao

charm4py/charm.py

@@ -118,17 +118,6 @@ def __init__(self):
         self.options.interactive = Options()
         self.options.interactive.verbose = 1
         self.options.interactive.broadcast_imports = True
-
-        if 'OMPI_COMM_WORLD_SIZE' in os.environ:
-            # this is needed for OpenMPI, see:
-            # https://svn.open-mpi.org/trac/ompi/wiki/Linkers
-            import ctypes
-            try:
-                self.__libmpi__ = ctypes.CDLL('libmpi.so', mode=ctypes.RTLD_GLOBAL)
-            except OSError:
-                # For IBM's Spectrum MPI, which is based on Open MPI, but renames the library
-                self.__libmpi__ = ctypes.CDLL('libmpi_ibm.so', mode=ctypes.RTLD_GLOBAL)
-                
         self.lib = load_charm_library(self)
         self.ReducerType = self.lib.ReducerType
         self.CkContributeToChare = self.lib.CkContributeToChare