hw/core/qdev: Remove superfluous return statement

The "return;" statement at the end of device_set_realized()
does not make much sense, so let's remove it.
Signed-off-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

hw/core/qdev.c

@@ -1134,7 +1134,6 @@ post_realize_fail:
 
 fail:
     error_propagate(errp, local_err);
-    return;
 }
 
 static bool device_get_hotpluggable(Object *obj, Error **errp)