remove unused imports (eclipse)

router/java/src/net/i2p/data/i2np/BuildResponseRecord.java

@@ -1,7 +1,6 @@
 package net.i2p.data.i2np;
 
 import net.i2p.I2PAppContext;
-import net.i2p.data.Base64;
 import net.i2p.data.DataHelper;
 import net.i2p.data.Hash;
 import net.i2p.data.SessionKey;

router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java

@@ -11,7 +11,6 @@ package net.i2p.data.i2np;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 

router/java/src/net/i2p/data/i2np/I2NPMessageHandler.java

@@ -8,7 +8,6 @@ package net.i2p.data.i2np;
  *
  */
 
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 

router/java/src/net/i2p/data/i2np/TunnelDataMessage.java

@@ -13,7 +13,6 @@ import net.i2p.data.ByteArray;
 import net.i2p.data.DataHelper;
 import net.i2p.data.TunnelId;
 import net.i2p.util.ByteCache;
-import net.i2p.util.Log;
 
 /**
  * Defines the message sent between routers as part of the tunnel delivery