Remove inactive logger (#131121)

Causing a downstream library dependency
issue. Remove at least until downstream
has time to address.

Author: DiannaHohensee

server/src/main/java/org/elasticsearch/common/util/concurrent/TaskExecutionTimeTrackingEsThreadPoolExecutor.java

@@ -13,8 +13,6 @@
 import org.elasticsearch.common.metrics.ExponentialBucketHistogram;
 import org.elasticsearch.common.util.concurrent.EsExecutors.TaskTrackingConfig;
 import org.elasticsearch.core.TimeValue;
-import org.elasticsearch.logging.LogManager;
-import org.elasticsearch.logging.Logger;
 import org.elasticsearch.telemetry.metric.DoubleWithAttributes;
 import org.elasticsearch.telemetry.metric.Instrument;
 import org.elasticsearch.telemetry.metric.LongWithAttributes;
@@ -40,8 +38,6 @@
  * An extension to thread pool executor, which tracks statistics for the task execution time.
  */
 public final class TaskExecutionTimeTrackingEsThreadPoolExecutor extends EsThreadPoolExecutor {
-    private static final Logger logger = LogManager.getLogger(TaskExecutionTimeTrackingEsThreadPoolExecutor.class);
-
     public static final int QUEUE_LATENCY_HISTOGRAM_BUCKETS = 18;
     private static final int[] LATENCY_PERCENTILES_TO_REPORT = { 50, 90, 99 };