[gnome-builder] code-index: remove unused variable

[Christian Hergert <chergert src gnome org>]

commit 17c964760f83600957fea7784c4787b4e67f99b9
Author: Christian Hergert <chergert redhat com>
Date:   Sun Jan 7 16:40:45 2018 -0800

    code-index: remove unused variable

 src/plugins/code-index/ide-persistent-map.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/code-index/ide-persistent-map.c b/src/plugins/code-index/ide-persistent-map.c
index 58f3d41..afae077 100644
--- a/src/plugins/code-index/ide-persistent-map.c
+++ b/src/plugins/code-index/ide-persistent-map.c
@@ -70,7 +70,6 @@ ide_persistent_map_load_file_worker (GTask        *task,
   g_autoptr(GVariant) values = NULL;
   g_autoptr(GVariant) metadata = NULL;
   g_autoptr(GVariant) kvpairs = NULL;
-  g_autoptr(GVariant) value_size = NULL;
   GVariantDict dict;
   gint32 version;
   gsize n_elements;