Cherrypick r11318 into the 2.5 branch
Oops, didn't remove SimpleRPC and SimpleXML from the sample build.xml file.

Review by: redayal@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/2.5@11320 8db76d5a-ed1c-0410-87a9-c151d255dfc7