[polari] ircParser: Don't redefine N_()

[Florian Müllner <fmuellner src gnome org>]

commit c42c9e4ecad9683768b10e023fcd6837bd96a104
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Jun 29 01:01:29 2019 +0200

    ircParser: Don't redefine N_()
    
    It's already provider by imports.package.initGettext().
    
    https://gitlab.gnome.org/GNOME/polari/merge_requests/125

 src/ircParser.js | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/ircParser.js b/src/ircParser.js
index eef9bfe..6b277d6 100644
--- a/src/ircParser.js
+++ b/src/ircParser.js
@@ -7,8 +7,6 @@ const AppNotifications = imports.appNotifications;
 const { RoomManager } = imports.roomManager;
 const Utils = imports.utils;
 
-const N_ = s => s;
-
 var knownCommands = {
     /* commands that would be nice to support: */
     /*