Remove unused field and make some fields final in EndpointIndexer

[geoand]

No description provided.

[quarkus-bot]

Failing Jobs - Building 3a1060a

Status	Name	Step	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 11
✔️	JVM Tests - JDK 17
✖	JVM Tests - JDK 17 MacOS M1	Build	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 18

Full information is available in the Build summary check run.

Failures

⚙️ JVM Tests - JDK 17 MacOS M1 #

- Failing: integration-tests/smallrye-opentracing 

📦 integration-tests/smallrye-opentracing

✖ io.quarkus.it.opentracing.OpenTracingTestCase. line 35 - More details - Source on GitHub

java.lang.IllegalStateException: Could not find a valid Docker environment. Please see logs and check configuration
	at org.testcontainers.dockerclient.DockerClientProviderStrategy.lambda$getFirstValidStrategy$7(DockerClientProviderStrategy.java:256)
	at java.base/java.util.Optional.orElseThrow(Optional.java:403)