fix r25507 rationalization of rsh support by removing include of plm_base_rsh_support.h from tm module

This commit was SVN r25519.

The following SVN revision numbers were found above:
  r25507 --> open-mpi/ompi@b475421c16

orte/mca/plm/tm/plm_tm_module.c

@@ -73,7 +73,6 @@
 
 #include "orte/mca/plm/plm.h"
 #include "orte/mca/plm/base/plm_private.h"
-#include "orte/mca/plm/base/plm_base_rsh_support.h"
 #include "plm_tm.h"