doc: maturity update

Author: Amzani

README.md

@@ -1065,13 +1065,11 @@ You can also enable a default debug logger by setting an environment variable `A
 
 ## Maturity
 
-This SDK is in beta, and there may be breaking changes between versions without a major version update. Therefore, we recommend pinning usage
+There may be breaking changes between versions without a major version update. Therefore, we recommend pinning usage
 to a specific package version. This way, you can install the same version each time without breaking changes unless you are intentionally
 looking for the latest version.
 
 ## Contributions
 
 While we value open-source contributions to this SDK, this library is generated programmatically. Any manual changes added to internal files will be overwritten on the next generation. 
-We look forward to hearing your feedback. Feel free to open a PR or an issue with a proof of concept and we'll do our best to include it in a future release. 
-
-### SDK Created by [Speakeasy](https://www.speakeasy.com/?utm_source=apideck-unify&utm_campaign=python)
+We look forward to hearing your feedback. Feel free to open a PR or an issue with a proof of concept and we'll do our best to include it in a future release.