Compass - update demos to use unified tabs

**Describe the feature**
After https://github.com/patternfly/patternfly/issues/8015, Compass demos should be evaluated and any redundant styling should be removed (new Tabs styling should be very close to custom Compass styling for Tabs).

---

**Jira Issue:** [PF-3498](https://issues.redhat.com/browse/PF-3498)