Remove unused code

src/main/scala/util/ControlUtil.scala

@@ -37,15 +37,4 @@ object ControlUtil {
   def using[T](treeWalk: TreeWalk)(f: TreeWalk => T): T =
     try f(treeWalk) finally treeWalk.release()
 
-
-//  def withTmpRefSpec[T](ref: RefSpec, git: Git)(f: RefSpec => T): T = {
-//    try {
-//      f(ref)
-//    } finally {
-//      val refUpdate = git.getRepository.updateRef(ref.getDestination)
-//      refUpdate.setForceUpdate(true)
-//      refUpdate.delete()
-//    }
-//  }
-
 }

src/main/scala/util/FileUtil.scala

@@ -31,24 +31,6 @@ object FileUtil {
   
   def isText(content: Array[Byte]): Boolean = !content.contains(0)
 
-//  def createZipFile(dest: File, dir: File): Unit = {
-//    def addDirectoryToZip(out: ZipArchiveOutputStream, dir: File, path: String): Unit = {
-//      dir.listFiles.map { file =>
-//        if(file.isFile){
-//          out.putArchiveEntry(new ZipArchiveEntry(path + "/" + file.getName))
-//          out.write(FileUtils.readFileToByteArray(file))
-//          out.closeArchiveEntry
-//        } else if(file.isDirectory){
-//          addDirectoryToZip(out, file, path + "/" + file.getName)
-//        }
-//      }
-//    }
-//
-//    using(new ZipArchiveOutputStream(dest)){ out =>
-//      addDirectoryToZip(out, dir, dir.getName)
-//    }
-//  }
-
   def getFileName(path: String): String = defining(path.lastIndexOf('/')){ i =>
     if(i >= 0) path.substring(i + 1) else path
   }