Cleanup

Signed-off-by: Craig Perkins <[email protected]>

server/src/test/java/org/opensearch/telemetry/tracing/ThreadContextBasedTracerContextStorageTests.java

@@ -45,7 +45,6 @@
 public class ThreadContextBasedTracerContextStorageTests extends OpenSearchTestCase {
     private Tracer tracer;
     private ThreadPool threadPool;
-    private ContextSwitcher contextSwitcher;
     private ThreadContext threadContext;
     private TracerContextStorage<String, Span> threadContextStorage;
     private ExecutorService executorService;