ticket:8464: Respond to the rest of Markus' comments.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34832 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Remove unused code.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34833 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Chop up excessively long lines of code.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@34834 251d0590-4201-4cf1-90de-194747b24ca1