Update README.md

Author: lor6

oauth-legacy/README.md

@@ -30,4 +30,3 @@
 - [Front-End App with Spring Security OAuth – Authorization Code Flow](http://www.baeldung.com/spring-security-oauth-authorization-code-flow)
 - [Setting Up Swagger 2 with a Spring REST API](https://www.baeldung.com/swagger-2-documentation-for-spring-rest-api)
 - [Handle Security in Zuul, with OAuth2 and JWT](https://www.baeldung.com/spring-security-zuul-oauth-jwt)
-- [JWS + JWK in a Spring Security OAuth2 Application](https://www.baeldung.com/spring-security-oauth2-jws-jwk)