remove legacy CI Provider example webapp.io

Author: MikeMcC399

docs/guides/continuous-integration/ci-provider-examples.mdx

@@ -152,8 +152,3 @@ and
 ### AWS Amplify Console
 
 - [Basic Example (amplify.yml)](https://github.com/cypress-io/cypress-example-kitchensink/blob/master/amplify.yml)
-
-### webapp.io
-
-- [cypress-example-layerci](https://github.com/bahmutov/cypress-example-layerci)
-- [Using cypress with webapp.io](https://webapp.io/docs/integrations/cypress)