Merge pull request #6169 from matcabral/remove_psm2_lower_p_v4

MTL/PSM2: Do not lower the priority when all processes are local.

ompi/mca/mtl/psm2/mtl_psm2_component.c

@@ -124,12 +124,9 @@ ompi_mtl_psm2_component_register(void)
          * process assume it is ompi_info or this is most likely going to spawn, for
          * which all PSM2 devices are needed */
         setenv("PSM2_DEVICES", "self,shm", 0);
-        /* ob1 is much faster than psm2 with shared memory */
-        param_priority = 10;
-    } else {
-        param_priority = 40;
     }
 
+    param_priority = 40;
     (void) mca_base_component_var_register (&mca_mtl_psm2_component.super.mtl_version,
                                             "priority", "Priority of the PSM2 MTL component",
                                             MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,