Remove stale mca param. Ensure that verbosity gets properly set for event framework debug

This commit was SVN r24050.

opal/mca/event/base/event_base_open.c

@@ -55,7 +55,7 @@ int opal_event_base_open(void)
      */
     OBJ_CONSTRUCT(&opal_event_components, opal_list_t);
     if (OPAL_SUCCESS !=
-        mca_base_components_open("event", 0,
+        mca_base_components_open("event", opal_event_base_output,
                                  mca_event_base_static_components,
                                  &opal_event_components, true)) {
         return OPAL_ERROR;

opal/runtime/opal_params.c

@@ -96,9 +96,6 @@ int opal_register_params(void)
     mca_base_param_reg_int_name("opal", "progress_debug", 
                                 "Set to non-zero to debug progress engine features",
                                 false, false, 0, NULL);
-    mca_base_param_reg_int_name("opal", "event_debug", 
-                                "Set to non-zero to debug event library",
-                                false, false, 0, NULL);
 
     {
         int value;