Remove accidental redundant call

This commit was SVN r1339.

src/runtime/ompi_mpi_init.c

@@ -54,9 +54,6 @@ int ompi_mpi_init(int argc, char **argv, int requested, int *provided)
 
     /* Open up the MCA */
 
-    if (OMPI_SUCCESS != (ret = mca_base_open())) {
-        return ret;
-    }
     if (OMPI_SUCCESS != (ret = mca_base_open())) {
         return ret;
     }