Removing unnecessary blank lines from StackPanel.

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1690 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/user/client/ui/StackPanel.java b/user/src/com/google/gwt/user/client/ui/StackPanel.java
index b2aa9b9..c5c7c77 100644
--- a/user/src/com/google/gwt/user/client/ui/StackPanel.java
+++ b/user/src/com/google/gwt/user/client/ui/StackPanel.java
@@ -32,8 +32,6 @@
  * <li>.gwt-StackPanel .gwt-StackPanelItem-selected { selected items }</li>
  * <li>.gwt-StackPanel .gwt-StackPanelContent { the wrapper around the contents
  * of the item }</li>
-
-
  * </ul>
  * <p>
  * <h3>Example</h3>