[polari] app: Remove unused method

[Florian Müllner <fmuellner src gnome org>]

commit 296b93d3674ad707c13213d5263a134c300b22b6
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Aug 5 22:38:59 2016 +0200

    app: Remove unused method

 src/application.js |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/src/application.js b/src/application.js
index 81975d6..a99ee2f 100644
--- a/src/application.js
+++ b/src/application.js
@@ -265,13 +265,6 @@ const Application = new Lang.Class({
             }));
     },
 
-    _updateAccountAction: function(action) {
-        action.enabled = this._accountsMonitor.dupAccounts().filter(
-            function(a) {
-                return a.enabled;
-            }).length > 0;
-    },
-
     _leaveRoomCreateHook: function(action) {
         this._chatroomManager.connect('active-changed', Lang.bind(this,
             function() {