chore(demo): remove text from ripple demo (#1298)

MatrixFrog · kara · commit 23062448aca5 · 2016-09-22T19:24:37.000-07:00
It shows up as "false false" in the app with no indication to the user of what that means
diff --git a/src/demo-app/ripple/ripple-demo.html b/src/demo-app/ripple/ripple-demo.html
@@ -49,5 +49,4 @@
       Click me
     </div>
   </section>
-  {{centered}} {{rounded}}
 </div>
