[gnome-shell] Remove _onKeyPress() function in Notification

[Marina Zhurakhinskaya <marinaz src gnome org>]

commit a681a2ba02e18d5a06349ca3c564432ca5601ddd
Author: Marina Zhurakhinskaya <marinaz redhat com>
Date:   Thu Jan 13 18:33:01 2011 -0500

    Remove _onKeyPress() function in Notification
    
    Its usage was removed in commit 4dd4c9f99f528667eb0b571a71ed23f61919f44b -
    "Use more actor.grab_key_focus() and less stage.connect('key-press-event')".

 js/ui/messageTray.js |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 57f5acf..1e896a9 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -706,15 +706,6 @@ Notification.prototype = {
             this.destroy();
     },
 
-    _onKeyPress: function(actor, event) {
-        let symbol = event.get_key_symbol();
-        if (symbol == Clutter.Escape) {
-            Main.messageTray.escapeTray();
-            return true;
-        }
-        return false;
-    },
-
     ungrabFocus: function() {
         if (!this._hasFocus)
             return;