Remove extra GitHub ribbons

demo/demo.html

@@ -49,6 +49,5 @@
     <a href="http://responsive-slides.viljamis.com/" id="download">See the documentation</a>
     <p class="footer">ResponsiveSlides.js is created by <a href="http://viljamis.com">@viljamis</a>. It's released under the MIT license. If you have any questions or feedback you can use the <a href="https://github.com/viljami/ResponsiveSlides.js">GitHub project page</a>.</p>
   </div>
-  <a href="https://github.com/viljamis/ResponsiveSlides.js" class="github"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://a248.e.akamai.net/assets.github.com/img/4c7dc970b89fd04b81c8e221ba88ff99a06c6b61/687474703a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f77686974655f6666666666662e706e67" alt="Fork me on GitHub"></a>
 </body>
 </html>

demo/themes/themes.html

@@ -75,6 +75,5 @@
     <a href="http://responsive-slides.viljamis.com/">View ResponsiveSlides.js documentation</a>
 
   </div>
-  <a href="https://github.com/viljamis/ResponsiveSlides.js/tree/master/demo/themes" class="github"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://a248.e.akamai.net/assets.github.com/img/4c7dc970b89fd04b81c8e221ba88ff99a06c6b61/687474703a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f77686974655f6666666666662e706e67" alt="Fork me on GitHub"></a>
 </body>
 </html>