/*D
   MPI_Info_delete - Deletes a (key,value) pair from info

Synopsis:
.vb
int MPI_Info_delete(MPI_Info info, const char *key)
.ve

Input Parameters:
+ info - info object (handle)
- key - key (string)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_INFO
.N MPI_ERR_OTHER

D*/

