minor improvement: remove unsued import in AsyncIndexUpdate
@@ -65,7 +65,6 @@ import org.apache.jackrabbit.oak.plugins.commit.ConflictHook;
import org.apache.jackrabbit.oak.plugins.commit.ConflictValidatorProvider;
import org.apache.jackrabbit.oak.plugins.index.IndexUpdate.MissingIndexProviderStrategy;
import org.apache.jackrabbit.oak.plugins.index.TrackingCorruptIndexHandler.CorruptIndexInfo;
-import org.apache.jackrabbit.oak.plugins.index.counter.jmx.NodeCounter;
import org.apache.jackrabbit.oak.plugins.index.progress.MetricRateEstimator;
import org.apache.jackrabbit.oak.plugins.index.progress.NodeCounterMBeanEstimator;
import org.apache.jackrabbit.oak.plugins.memory.PropertyStates;
