fix: cleanup

Author: ibrizsabin

contracts/javascore/ics20/src/main/java/ibc/ics20/ICS20Transfer.java

@@ -3,7 +3,6 @@
 import com.eclipsesource.json.Json;
 import com.eclipsesource.json.JsonObject;
 import com.eclipsesource.json.JsonValue;
-
 import icon.proto.core.channel.Channel;
 import icon.proto.core.channel.Packet;
 import icon.proto.core.client.Height;