[gjs] object: Fix unused variable

[Philip Chimento <pchimento src gnome org>]

commit 25cc419164e5d420a87781d5631d87cf6306ae9f
Author: Philip Chimento <philip chimento gmail com>
Date:   Mon May 21 13:13:52 2018 -0400

    object: Fix unused variable

 gi/object.cpp | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gi/object.cpp b/gi/object.cpp
index 02294171..71a613af 100644
--- a/gi/object.cpp
+++ b/gi/object.cpp
@@ -144,7 +144,6 @@ using ParamRef = std::unique_ptr<GParamSpec, decltype(&g_param_spec_unref)>;
 using ParamRefArray = std::vector<ParamRef>;
 static std::unordered_map<GType, ParamRefArray> class_init_properties;
 
-static bool context_weak_pointer_callback = false;
 static bool weak_pointer_callback = false;
 ObjectInstance *wrapped_gobject_list;