remove RichardKnop/go-oauth2-server
ref:
@@ -194,7 +194,6 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
* [go-email-normalizer](https://github.com/dimuska139/go-email-normalizer) - Golang library for providing a canonical representation of email address.
* [go-guardian](https://github.com/shaj13/go-guardian) - Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication that supports LDAP, Basic, Bearer token and Certificate based authentication.
* [go-jose](https://github.com/square/go-jose) - Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
-* [go-oauth2-server](https://github.com/RichardKnop/go-oauth2-server) - Standalone, specification-compliant, OAuth2 server written in Golang.
* [gologin](https://github.com/dghubble/gologin) - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
* [gorbac](https://github.com/mikespook/gorbac) - provides a lightweight role-based access control (RBAC) implementation in Golang.
* [goth](https://github.com/markbates/goth) - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
