Remove trailing whitespace. Clean up imports.
@@ -20,8 +20,6 @@ package org.apache.commons.pool2.impl;
import java.lang.reflect.Field;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
-
import org.apache.commons.pool2.BasePooledObjectFactory;
import org.apache.commons.pool2.PooledObject;
import org.junit.jupiter.api.Test;
