[GSS](7.2.z) Linking old RH-SSO document in EAP for openshift document capter 8.14.SSO

JBoss EAP 7.2 Getting Started with JBoss EAP for OpenShift Container Platform
8.14. SSO

https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.2/html-single/getting_started_with_jboss_eap_for_openshift_container_platform/index#reference_sso

Now:
~~~
NOTE
See the [Red Hat JBoss SSO](https://access.redhat.com/documentation/en-us/red_hat_jboss_middleware_for_openshift/3/single/red_hat_jboss_sso_for_openshift/#Example-EAP-Manual) for OpenShift documentation for more information
~~~

A proposed draft:
~~~
See the [Red Hat Single Sign-On](https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.3/html-single/red_hat_single_sign-on_for_openshift/index#deploy_the_red_hat_single_sign_on_enabled_jboss_eap_image) for OpenShift documentation for more information
~~~

The product name changed from Red Hat JBoss SSO to Red Hat Single Sign-On and linking the latest RH-SSO 7.3 document.

This is also affected in EAP7.3.0 Beta document:
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3.beta/html/getting_started_with_jboss_eap_for_openshift_container_platform/reference_information#reference_sso