ticket:10017: Remove old branch

git-svn-id: http://source.icu-project.org/repos/icu/icu4j/branches/tkeep@33572 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10017: Create ICU4J branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu4j/branches/tkeep@33573 251d0590-4201-4cf1-90de-194747b24ca1