removed unrelated changes

Author: doxlik

vertx-core/src/main/java/io/vertx/core/file/impl/FileSystemImpl.java

@@ -17,23 +17,50 @@
 import io.vertx.core.Future;
 import io.vertx.core.buffer.Buffer;
 import io.vertx.core.buffer.impl.BufferImpl;
-import io.vertx.core.file.*;
+import io.vertx.core.file.AsyncFile;
+import io.vertx.core.file.CopyOptions;
+import io.vertx.core.file.FileProps;
 import io.vertx.core.file.FileSystem;
 import io.vertx.core.file.FileSystemException;
+import io.vertx.core.file.FileSystemProps;
+import io.vertx.core.file.OpenOptions;
 import io.vertx.core.internal.ContextInternal;
 import io.vertx.core.internal.VertxInternal;
 
 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.RandomAccessFile;
-import java.nio.file.*;
-import java.nio.file.attribute.*;
-import java.util.*;
+import java.nio.file.CopyOption;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.FileStore;
+import java.nio.file.FileVisitOption;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileAttribute;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.nio.file.attribute.UserPrincipal;
+import java.nio.file.attribute.UserPrincipalLookupService;
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.regex.Pattern;
 
 /**
+ *
  * This class is thread-safe
  *
  * @author <a href="http://tfox.org">Tim Fox</a>
@@ -507,7 +534,7 @@ public Void perform() {
             raf.setLength(len);
           }
         } catch (IOException e) {
-          throw new FileSystemException(getFileAccessErrorMessage("truncate", p), e);
+          throw new FileSystemException(getFileAccessErrorMessage("truncate", p) ,e);
         }
         return null;
       }
@@ -687,7 +714,6 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
           Files.delete(file);
           return FileVisitResult.CONTINUE;
         }
-
         public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException {
           if (e == null) {
             Files.delete(dir);