[mutter] monitor-config-migration: Don't destroy autoptr:ed hash table

[Jonas Ådahl <jadahl src gnome org>]

commit 96572fbe6aa46d7c8704c09ffb43b62900601950
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Sep 11 11:14:26 2017 +0800

    monitor-config-migration: Don't destroy autoptr:ed hash table
    
    It'll be destroyed automatically, so don't do it manually as well.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787477

 src/backends/meta-monitor-config-migration.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/backends/meta-monitor-config-migration.c b/src/backends/meta-monitor-config-migration.c
index b449546..b820e81 100644
--- a/src/backends/meta-monitor-config-migration.c
+++ b/src/backends/meta-monitor-config-migration.c
@@ -1111,7 +1111,6 @@ meta_migrate_old_monitors_config (MetaMonitorConfigStore *config_store,
     return FALSE;
 
   g_hash_table_foreach (configs, migrate_config, config_store);
-  g_hash_table_destroy (configs);
 
   return TRUE;
 }