[gnome-bluetooth] lib: Remove unused variable

[Benjamin Berg <bberg src gnome org>]

commit 4bb807affe23623e40e02c6133250b7875f42d9c
Author: Benjamin Berg <bberg redhat com>
Date:   Wed Nov 22 14:25:04 2017 +0100

    lib: Remove unused variable
    
    Fixes a compile warning introduced in commit 27e88fc0 (lib: Simplify
    Properties setting).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790712

 lib/bluetooth-client.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/lib/bluetooth-client.c b/lib/bluetooth-client.c
index 62975d8..7d0f272 100644
--- a/lib/bluetooth-client.c
+++ b/lib/bluetooth-client.c
@@ -990,7 +990,6 @@ _bluetooth_client_set_discoverable (BluetoothClient *client,
                                    guint timeout)
 {
        BluetoothClientPrivate *priv = BLUETOOTH_CLIENT_GET_PRIVATE (client);
-       GError *error = NULL;
        GtkTreePath *path;
        GObject *adapter;
        GtkTreeIter iter;