helpers.js: Drop polyfills for IE8 and IE9

public/js/helpers.js

@@ -1,94 +1,5 @@
 /*! Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
 
-(function (Object) {
-
-    'use strict';
-
-    Object.keys = Object.keys || function(o) {
-        var result = [];
-        for(var name in o) {
-            if (o.hasOwnProperty(name)) {
-                result.push(name);
-            }
-        }
-
-        return result;
-    };
-
-})(Object);
-
-(function (Array) {
-
-    'use strict';
-    if (!Array.prototype.indexOf) {
-        Array.prototype.indexOf = function(elt) {
-            var len = this.length >>> 0;
-
-            var from = Number(arguments[1]) || 0;
-            from = (from < 0) ? Math.ceil(from) : Math.floor(from);
-            if (from < 0) from += len;
-
-            for (; from < len; from++) {
-                if (from in this && this[from] === elt) {
-                    return from;
-                }
-            }
-            return -1;
-        };
-    }
-})(Array);
-
-if ('undefined' !== typeof console) { (function (console) {
-
-    'use strict';
-
-    if ('undefined' === console) {
-        return;
-    }
-
-    /* Fix console for IE9, TBD: test IE8 */
-    if (typeof console.log == 'object' && Function.prototype.bind && console) {
-        [
-            'log',
-            'info',
-            'warn',
-            'error',
-            'assert',
-            'dir',
-            'clear',
-            'profile',
-            'profileEnd'
-        ].forEach(function (method) {
-            console[method] = this.call(console[method], console);
-        }, Function.prototype.bind);
-    }
-})(console); }
-
-/* I intentionally moved this here, AFTER console handling */
-/* Could be switched, but please take care when doing so   */
-if (!Function.prototype.bind) {
-    Function.prototype.bind = function (oThis) {
-        if (typeof this !== 'function') {
-            throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-        }
-
-        var aArgs = Array.prototype.slice.call(arguments, 1),
-            fToBind = this,
-            fNOP = function () {},
-            fBound = function () {
-                return fToBind.apply(this instanceof fNOP && oThis
-                    ? this
-                    : oThis,
-                    aArgs.concat(Array.prototype.slice.call(arguments)));
-            };
-
-        fNOP.prototype = this.prototype;
-        fBound.prototype = new fNOP();
-
-        return fBound;
-    };
-}
-
 /* jQuery Plugins */
 (function ($) {