Remove legacy loading

src/components/loading/loading.js

@@ -1,10 +1,6 @@
-define(['components/loading/loadingLegacy', 'browser', 'css!./loading'], function (loadingLegacy, browser) {
+define(['css!./loading'], function () {
     'use strict';
 
-    if (browser.tizen || browser.operaTv || browser.chromecast || browser.orsay || browser.web0s || browser.ps4) {
-        return loadingLegacy;
-    }
-
     var loadingElem;
     var layer1;
     var layer2;

src/components/loading/loadingLegacy.css

@@ -1,10 +0,0 @@
-.loading-spinner {
-    margin-top: -3em;
-    margin-left: -3em;
-    width: 6em;
-    height: 6em;
-    position: fixed;
-    top: 50%;
-    left: 50%;
-    z-index: 9999999;
-}

src/components/loading/loadingLegacy.js

@@ -1,28 +0,0 @@
-define(['require', 'css!./loadingLegacy'], function (require) {
-    'use strict';
-
-    var loadingElem;
-
-    return {
-        show: function () {
-            var elem = loadingElem;
-            if (!elem) {
-                elem = document.createElement('img');
-                elem.src = require.toUrl('.').split('?')[0] + '/loader.gif';
-
-                loadingElem = elem;
-                elem.classList.add('loading-spinner');
-
-                document.body.appendChild(elem);
-            }
-
-            elem.classList.remove('hide');
-        },
-        hide: function () {
-            var elem = loadingElem;
-            if (elem) {
-                elem.classList.add('hide');
-            }
-        }
-    };
-});