Update VelocityUtils.java

Author: fvarrui

src/main/java/io/github/fvarrui/javapackager/utils/VelocityUtils.java

@@ -3,7 +3,6 @@
 import static org.apache.commons.io.FileUtils.writeStringToFile;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.UUID;