Remove "TDD red-phase" from ExecutorWiringTest Javadoc

Agent-Logs-Url: https://github.com/github/copilot-sdk-java/sessions/93199b25-7c90-4c45-9540-527396b8990c

Co-authored-by: edburns <75821+edburns@users.noreply.github.com>

Author: Copilot

src/test/java/com/github/copilot/sdk/ExecutorWiringTest.java

@@ -33,7 +33,7 @@
 import com.github.copilot.sdk.json.UserInputResponse;
 
 /**
- * TDD red-phase tests verifying that when an {@link Executor} is provided via
+ * Tests verifying that when an {@link Executor} is provided via
  * {@link CopilotClientOptions#setExecutor(Executor)}, all internal
  * {@code CompletableFuture.*Async} calls are routed through that executor
  * instead of {@code ForkJoinPool.commonPool()}.