Remove links to defunct sample apps (#11069)

Author: antonpirker

docs/platforms/python/integrations/aws-lambda/manual-instrumentation/index.mdx

@@ -67,8 +67,6 @@ def lambda_handler(event, context):
     # ...
 ```
 
-Check out Sentry's [AWS sample apps](https://github.com/getsentry/examples/tree/master/aws-lambda/python) for detailed examples.
-
 <Alert level="info" title="Note">
 
 If you're using another web framework inside of AWS Lambda, that framework may catch exceptions before we see them. Make sure to enable the framework-specific integration if it exists. See [_the Python main page_](/platforms/python/) for more information.

docs/platforms/python/integrations/gcp-functions/index.mdx

@@ -58,8 +58,6 @@ def http_function_entrypoint(request):
     # ...
 ```
 
-Check out Sentry's [GCP sample apps](https://github.com/getsentry/examples/tree/master/gcp-cloud-functions) for detailed examples.
-
 <Alert level="info" title="Note">
 
 If you are using a web framework inside of your Cloud Function, the framework might catch those exceptions before we get to see them. Make sure to enable the framework specific integration as well, if one exists. See [_the Python main page_](/platforms/python/) for more information.