Update README.md

Author: murtron

README.md

@@ -126,11 +126,6 @@ Create a `views/home/intercom_callback.html.erb` file ( if your callback route i
 </html>
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-### Example application
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-[testapp-intercom-omniauth](https://github.com/Skaelv/testapp-intercom-omniauth) is a simple application implementing the authentication process with Intercom with a popup display.
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 ## Troubleshooting
 
 #### omniauth-oauth2 dependency in v0.1.4