Revert "add together.js"

This reverts commit a41c37ec03.

app.js

@@ -139,11 +139,6 @@ var trusted = [
     '*.ionicframework.com',
     'https://syndication.twitter.com',
     '*.youtube.com',
-    '*.jsdelivr.net',
-    '*.togetherjs.com',
-    'https://*.togetherjs.com',
-    'wss://hub.togetherjs.com',
-    '*.ytimg.com'
 ];
 
 app.use(helmet.contentSecurityPolicy({

views/layout-wide.jade

@@ -4,7 +4,6 @@ html(ng-app='profileValidation', lang='en')
     script(src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js")
     script(src="//cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.11/angular.min.js")
     script(src="//cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/0.12.0/ui-bootstrap-tpls.min.js")
-    script(src="https://togetherjs.com/togetherjs-min.js")
     link(rel='shortcut icon', href='//s3.amazonaws.com/freecodecamp/favicon.ico')
     link(rel='stylesheet', href='//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css')
     link(rel='stylesheet', href='//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css')

views/layout.jade

@@ -4,7 +4,6 @@ html(ng-app='profileValidation', lang='en')
     script(src="//ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js")
     script(src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.11/angular.min.js")
     script(src="//cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/0.12.0/ui-bootstrap-tpls.min.js")
-    script(src="https://togetherjs.com/togetherjs-min.js")
     link(rel='stylesheet', href='//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css')
     link(rel='stylesheet', href='//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css')
     include partials/meta

views/partials/navbar.jade

@@ -16,8 +16,6 @@
             a(href='http://forum.freecodecamp.com' target='_blank') Forum
         li
             a(href='/bonfires') Bonfires
-        li
-            a(href="#" onclick="TogetherJS(this); return false;") Pair
         if !user
             li      
             li