[gnome-software] trivial: Remove an unused variable

[Kalev Lember <klember src gnome org>]

commit 3027af6bcd3921cae8cabf67b5b92cf32bd0b883
Author: Kalev Lember <klember redhat com>
Date:   Fri Nov 25 18:59:54 2016 +0100

    trivial: Remove an unused variable

 src/plugins/gs-plugin-shell-extensions.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/gs-plugin-shell-extensions.c b/src/plugins/gs-plugin-shell-extensions.c
index 29f79d3..6d55b4c 100644
--- a/src/plugins/gs-plugin-shell-extensions.c
+++ b/src/plugins/gs-plugin-shell-extensions.c
@@ -452,7 +452,6 @@ gs_plugin_shell_extensions_parse_app (GsPlugin *plugin,
        AsApp *app;
        JsonObject *json_ver_map;
        const gchar *tmp;
-       gint64 pk;
 
        app = as_app_new ();
        as_app_set_kind (app, AS_APP_KIND_SHELL_EXTENSION);