[Java] Remove unused import.

Author: mjpt777

sbe-tool/src/test/java/uk/co/real_logic/sbe/xml/RelativeXIncludeTest.java

@@ -16,7 +16,6 @@
 package uk.co.real_logic.sbe.xml;
 
 import java.io.File;
-import java.io.InputStream;
 import java.net.URL;
 
 import org.junit.Test;