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GH-40896: [Java] Remove runtime dependencies on Eclipse, logback (#40904)



### Rationale for this change

Remove runtime dependencies on [Category B](https://apache.org/legal/resolved.html#category-b) dependencies.

### What changes are included in this PR?

- logback: move to test-only
- eclipse: remove dependency, vendor the Netty implementation we originally used

I wanted to remove javax.annotation.Generated but gRPC doesn't yet let us do that (https://github.com/grpc/grpc-java/issues/9179). That's ~okay though since effectively that's a build only dependency.

### Are these changes tested?

#40901

### Are there any user-facing changes?

No.

**This PR contains a "Critical Fix".** License issues do not cause runtime issues but are important as an Apache project.
* GitHub Issue: #40896

Authored-by: David Li <li.davidm96@gmail.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>