Some of the Doc code (python/.net/Ruby) links are having not matching language code snippet/content (Java)

The below SDK3.0 pages contain Java code/content incorrectly.

Issues in the below pages:

1) Python SDK3.0 page containing Java code snippet:
https://docs.couchbase.com/python-sdk/current/howtos/health-check.html
2) .NET SDK3.0 page containing Java code content and also unresolved Java code snippets:
https://docs.couchbase.com/dotnet-sdk/current/howtos/transcoders-nonjson.html
3) .NET SDK3.0 page containing Java code snippet
https://docs.couchbase.com/dotnet-sdk/current/concept-docs/xattr.html
4) Ruby SDK3.0 page containing Java content and also unresolved Java code snippets.
https://docs.couchbase.com/ruby-sdk/current/howtos/transcoders-nonjson.html