sim: cr16/d10v: drop redundant call to sim_create_inferior

With the conversion to the nrun frontend, this call should no longer be
necessary.  It also actively crashes when trying to use the sd state.

sim/d10v/interp.c

@@ -856,7 +856,6 @@ sim_open (SIM_OPEN_KIND kind, host_callback *cb, struct bfd *abfd, char **argv)
   /* reset the processor state */
   if (!State.mem.data[0])
     sim_size (1);
-  sim_create_inferior ((SIM_DESC) 1, NULL, NULL, NULL);
 
   return sd;
 }