[gnome-boxes] util: Remove unused Cancellable arg of run_in_thread

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit b271ea8c0693d572fb1eb75f8bc6442462276426
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Tue Mar 4 20:36:50 2014 +0000

    util: Remove unused Cancellable arg of run_in_thread
    
    Its not used so it only gives false hope to callers. If caller needs
    cancellable, they can act on it on their own when in the passed
    callback.

 src/util.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/util.vala b/src/util.vala
index a5efd92..4270ffc 100644
--- a/src/util.vala
+++ b/src/util.vala
@@ -188,7 +188,7 @@ namespace Boxes {
     }
 
     public delegate void RunInThreadFunc () throws  GLib.Error;
-    public async void run_in_thread (owned RunInThreadFunc func, Cancellable? cancellable = null) throws 
GLib.Error {
+    public async void run_in_thread (owned RunInThreadFunc func) throws GLib.Error {
         GLib.Error e = null;
         GLib.SourceFunc resume = run_in_thread.callback;
         new GLib.Thread<void*> (null, () => {
@@ -220,7 +220,7 @@ namespace Boxes {
 
         yield run_in_thread (() => {
            exec_sync (argv_copy, out std_output, out std_error);
-        }, cancellable);
+        });
 
         standard_output = std_output;
         standard_error = std_error;