[KEYCLOAK-16551] Remove references to Gatekeeper in the README file

GOVERNANCE.md

@@ -24,7 +24,6 @@ Keycloak consists of several projects:
 * [Keycloak Documentation](https://github.com/keycloak/keycloak-documentation) - Documentation for Keycloak
 * [Keycloak QuickStarts](https://github.com/keycloak/keycloak-quickstarts) - QuickStarts for getting started with Keycloak
 * [Keycloak Containers](https://github.com/keycloak/keycloak-containers) - Container images for Keycloak
-* [Keycloak Gatekeeper](https://github.com/keycloak/keycloak-gatekeeper) - Proxy service to secure apps and services with Keycloak
 * [Keycloak Node.js Connect](https://github.com/keycloak/keycloak-nodejs-connect) - Node.js adapter for Keycloak
 * [Keycloak Node.js Admin Client](https://github.com/keycloak/keycloak-nodejs-admin-client) - Node.js library for Keycloak Admin REST API
 
@@ -107,4 +106,4 @@ The contributor can decide to send a pull request prior to discussion on the mai
 proposal. However, the change will not be accepted until it has been discussed on the mailing list.
 
 If there are any objections to the change they can in most cases be resolved through discussions on the mailing list or
-on the pull request. If a resolution can not be made it can be accepted if at least 2/3 of maintainers approve the change. 
+on the pull request. If a resolution can not be made it can be accepted if at least 2/3 of maintainers approve the change.