[gnome-documents] preview: remove dead code

[Cosimo Cecchi <cosimoc src gnome org>]

commit 179651c579c1f8f1d93d1296d2f43c3a9c4f2e80
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Feb 19 17:00:03 2013 -0500

    preview: remove dead code

 src/preview.js |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/src/preview.js b/src/preview.js
index 481511c..0c1c8c8 100644
--- a/src/preview.js
+++ b/src/preview.js
@@ -980,12 +980,6 @@ const PreviewFullscreenToolbar = new Lang.Class({
             }));
     },
 
-    handleEvent: function(event) {
-        let res = this.parent(event);
-        if (res)
-            this.emit('search-event-handled');
-    },
-
     show: function() {
         this.revealer.set_reveal_child(true);
     },