qerror.h: Remove QERR defines that are only used once

Just hardcode them in the callers

Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/qom/object.c b/qom/object.c
index 9a730e7..e42b254 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -768,7 +768,7 @@
         }
     }
 
-    error_set(errp, QERR_PROPERTY_NOT_FOUND, "", name);
+    error_setg(errp, "Property '.%s' not found", name);
     return NULL;
 }
 
@@ -1075,7 +1075,8 @@
     target = object_resolve_path_type(path, target_type, &ambiguous);
 
     if (ambiguous) {
-        error_set(errp, QERR_AMBIGUOUS_PATH, path);
+        error_set(errp, ERROR_CLASS_GENERIC_ERROR,
+                  "Path '%s' does not uniquely identify an object", path);
     } else if (!target) {
         target = object_resolve_path(path, &ambiguous);
         if (target || ambiguous) {