No functional change, removes useless imports
@@ -22,12 +22,10 @@ package org.apache.ofbiz.shipment.thirdparty.usps;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
-import java.io.OutputStream;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.util.Collections;
-import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
