[gnome-clocks] Remove unneeded call to headerbar.clear

[Paolo Borelli <pborelli src gnome org>]

commit 5d7096fb0fda622e6505078d06dca64635d4d761
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Mar 10 09:43:20 2013 +0100

    Remove unneeded call to headerbar.clear

 src/world.vala |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/world.vala b/src/world.vala
index f56a5bf..dcc1385 100644
--- a/src/world.vala
+++ b/src/world.vala
@@ -383,7 +383,6 @@ public class MainPanel : Gd.Stack, Clocks.Clock {
     }
 
     public void update_header_bar () {
-        header_bar.clear ();
         switch (header_bar.mode) {
         case HeaderBar.Mode.NORMAL:
             new_button.show ();