[polari] roomList: Remove unused property

[Florian Müllner <fmuellner src gnome org>]

commit d1b416b29cd2b55862d589ab5e1614e1564aa2f6
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Aug 7 04:57:04 2017 +0200

    roomList: Remove unused property

 src/roomList.js |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/roomList.js b/src/roomList.js
index c18ed9c..34fae4e 100644
--- a/src/roomList.js
+++ b/src/roomList.js
@@ -161,7 +161,6 @@ var RoomListHeader = new Lang.Class({
         this._account = params.account;
         delete params.account;
 
-        this._networkMonitor = Gio.NetworkMonitor.get_default();
         this._app = Gio.Application.get_default();
 
         this.parent(params);