remove references to the svn id keyword from javadoc comments (commons-io is now using git)

Author: PascalSchumacher

src/main/java/org/apache/commons/io/CopyUtils.java

@@ -103,7 +103,6 @@
  * <p>
  * Origin of code: Excalibur.
  *
- * @version $Id$
  * @deprecated Use IOUtils. Will be removed in 2.0.
  *  Methods renamed to IOUtils.write() or IOUtils.copy().
  *  Null handling behaviour changed in IOUtils (null data does not

src/main/java/org/apache/commons/io/EndianUtils.java

@@ -35,7 +35,6 @@
  * <p>
  * Origin of code: Excalibur
  *
- * @version $Id$
  * @see org.apache.commons.io.input.SwappedDataInputStream
  */
 public class EndianUtils {

src/main/java/org/apache/commons/io/FileCleaner.java

@@ -32,7 +32,6 @@
  * {@link #exitWhenFinished}, typically in
  * {@code javax.servlet.ServletContextListener.contextDestroyed(javax.servlet.ServletContextEvent)} or similar.
  *
- * @version $Id$
  * @deprecated Use {@link FileCleaningTracker}
  */
 @Deprecated

src/main/java/org/apache/commons/io/FileCleaningTracker.java

@@ -39,7 +39,6 @@
  * {@link #exitWhenFinished}, typically in
  * {@code javax.servlet.ServletContextListener.contextDestroyed(javax.servlet.ServletContextEvent)} or similar.
  *
- * @version $Id$
  */
 public class FileCleaningTracker {
 

src/main/java/org/apache/commons/io/FileDeleteStrategy.java

@@ -28,7 +28,6 @@
  * <p>
  * This class captures the strategy to use and is designed for user subclassing.
  *
- * @version $Id$
  * @since 1.3
  */
 public class FileDeleteStrategy {

src/main/java/org/apache/commons/io/FileExistsException.java

@@ -21,8 +21,7 @@
 
 /**
  * Indicates that a file already exists.
- * 
- * @version $Id$
+ *
  * @since 2.0
  */
 public class FileExistsException extends IOException {

src/main/java/org/apache/commons/io/FileSystemUtils.java

@@ -40,7 +40,6 @@
  * <li>Get the free space on a drive
  * </ul>
  *
- * @version $Id$
  * @since 1.1
  */
 public class FileSystemUtils {

src/main/java/org/apache/commons/io/FileUtils.java

@@ -75,7 +75,6 @@
  * <p>
  * Origin of code: Excalibur, Alexandria, Commons-Utils
  *
- * @version $Id$
  */
 public class FileUtils {
 

src/main/java/org/apache/commons/io/FilenameUtils.java

@@ -77,7 +77,6 @@
  * <p>
  * Origin of code: Excalibur, Alexandria, Tomcat, Commons-Utils.
  *
- * @version $Id$
  * @since 1.1
  */
 public class FilenameUtils {

src/main/java/org/apache/commons/io/HexDump.java

@@ -28,7 +28,6 @@
  * <p>
  * Origin of code: POI.
  *
- * @version $Id$
  */
 public class HexDump {