Adjust jsxc initialization for ajax login

related to diaspora/jsxc#81

app/assets/javascripts/jsxc.js

@@ -8,7 +8,6 @@ $(document).ready(function() {
         var jid = app.currentUser.get('diaspora_id');
         jsxc.init({
           root: '/assets/diaspora_jsxc',
-          checkFlash: false,
           logoutElement: $('.user-menu-item [data-method=delete]'),
           rosterAppend: 'body',
           otr: {
@@ -24,11 +23,6 @@ $(document).ready(function() {
           displayRosterMinimized: function() {
             return true;
           },
-          loginForm: {
-            form: '#jsxc_loginForm'
-          },
-          loadSettings: function() {
-            return {
           xmpp: {
             url: $('script#jsxc').data('endpoint'),
             username: jid.replace(/@.*?$/g, ''),
@@ -39,8 +33,6 @@ $(document).ready(function() {
             overwrite: true,
             onlogin: true
           }
-            };
-          }
         });
       } else {
         console.error('No token found! Authenticated!?');