Remove Old Dev UI: Health

[phillip-kruger]

This PR removes the old Dev UI from the Health extension

[quarkus-bot]

Failing Jobs - Building 0e0901e

Status	Name	Step	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 11
✔️	JVM Tests - JDK 17
✖	JVM Tests - JDK 19	Build	Failures	Logs	Raw logs

Full information is available in the Build summary check run.

Failures

⚙️ JVM Tests - JDK 19 #

- Failing: integration-tests/grpc-hibernate 

📦 integration-tests/grpc-hibernate

✖ com.example.grpc.hibernate.VertxBlockingMutinyTest.shouldAddItems - More details - Source on GitHub

io.smallrye.mutiny.CompositeException: 
Multiple exceptions caught:
	[Exception 0] io.grpc.StatusRuntimeException: INTERNAL: Half-closed without a request