Remove disclaimers

Remove quote about Google ownership and lack of affiliation with the Go
project. It's not owned by Google anymore and I don't believe there's
confusion about the Go project.

Author: maruel

AUTHORS

@@ -7,6 +7,7 @@ Cássio Botaro <[email protected]>
 Fractal Industries, Inc
 Google Inc.
 Josh Gardiner
+Marc-Antoine Ruel <[email protected]>
 Matt Aimonetti <[email protected]>
 Max Ekman <[email protected]>
 Rifiniti, Inc

README.md

@@ -100,11 +100,3 @@ here](https://invite.slack.golangbridge.org/).
 Ruel](https://github.com/maruel). The full list of contributors is in
 [AUTHORS](https://github.com/periph/cmd/blob/main/AUTHORS) and
 [CONTRIBUTORS](https://github.com/periph/cmd/blob/main/CONTRIBUTORS).
-
-
-## Disclaimer
-
-This is not an official Google product (experimental or otherwise), it
-is just code that happens to be owned by Google.
-
-This project is not affiliated with the Go project.