Updating sponsors

Author: jeffwhelpley

index.html

@@ -94,39 +94,13 @@ <h3>Premier Sponsor</h3>
       <img
               style="width: 200px;margin: 40px auto 0;display: block;"
               src="https://cloud.githubusercontent.com/assets/1016365/9863770/cb0620fc-5af7-11e5-89df-d4b0b2cdfc43.png"
-              alt="Onsite Angular Training (US)">
+              alt="Onsite Angular Training">
       <p style="font-size: 18px;text-align:center">
         AngularClass<br/>
         Onsite Angular Training (US)
       </p>
     </a>
 
-    <h3>Platinium Sponsor</h3>
-
-    <a href="https://auth0.com/learn/angular-authentication/?utm_source=angular_air&utm_medium=sponsored_link&utm_campaign=target_angular" title="Authentication Made Simple for Developers">
-      <img
-              style="width: 200px;margin: 40px auto 0;display: block;"
-              src="https://styleguide.auth0.com/lib/logos/img/logo-blue.png"
-              alt="Authentication Made Simple for Developers">
-      <p style="font-size: 18px;text-align:center">
-        Auth0<br/>
-        Single Sign On & Token Based Authentication
-      </p>
-    </a>
-
-    <h3>Gold Sponsor</h3>
-
-    <a href="http://thoughtram.io" title="Onsite Angular Training (Europe)">
-      <img
-              style="width: 200px;margin: 40px auto 0;display: block;"
-              src="http://thoughtram.io/images/thoughtram-brain-with-logo-line-blue.png"
-              alt="Onsite Angular Training (Europe)">
-      <p style="font-size: 18px;text-align:center">
-        Thoughtram<br/>
-        Onsite Angular Training (Europe)
-      </p>
-    </a>
-
   </section>
 
   <hr/>