Remove unused file // FREEBIE

Gruntfile.js

@@ -87,7 +87,6 @@ module.exports = function(grunt) {
         'Gruntfile.js',
         'js/background.js',
         'js/chromium.js',
-        'js/bimap.js',
         'js/conversation_panel.js',
         'js/database.js',
         'js/inbox_controller.js',

js/bimap.js

@@ -1,61 +0,0 @@
-/*global $, Whisper, Backbone, textsecure, extension*/
-/*
- * vim: ts=4:sw=4:expandtab
- */
-// A bidirectional hash that allows constant-time lookup for
-//  key -> value and value -> key
-(function () {
-	'use strict';
-
-  window.Whisper = window.Whisper || {};
-
-	function Bimap (map1, map2) {
-		if (typeof map1 !== 'string' || typeof map2 !== 'string') {
-			throw 'Expected two map name strings as arguments';
-		}
-
-		this.bijection = {};
-		this.bijection[map1] = map2;
-		this.bijection[map2] = map1;
-
-		// makes accessing the maps clearer
-		this[map1] = {};
-		this[map2] = {};
-
-		this[map1 + 'From'] = function (key) { return this[map2][key]; };
-		this[map2 + 'From'] = function (key) { return this[map1][key]; };
-	}
-
-	Bimap.prototype.add = function (obj) {
-		if (typeof obj !== 'object') {
-			throw 'Expected an object as an argument';
-		}
-
-		var keys = Object.keys(obj);
-		var map1 = keys[0];
-		var map2 = keys[1];
-
-		if (this.bijection[map1] !== map2) {
-			throw 'Expected the argument\'s keys to correspond to the Bimap\'s two map names';
-		}
-
-		this[map1][obj[map1]] = obj[map2];
-		this[map2][obj[map2]] = obj[map1];
-	};
-
-	Bimap.prototype.remove = function remove (map, key) {
-		var bijection = this.bijection[map];
-		var correspondingKey = this[map][key];
-
-		// delete from the bijection
-		delete this[bijection][correspondingKey];
-
-		// delete from the specified map
-		delete this[map][key];
-
-		return correspondingKey;
-	};
-
-	// export
-	Whisper.Bimap = Bimap;
-})();