Brazilian portuguese translation update.
Brazilian portuguese translation update.

 * subversion/po/pt_BR.po:
   Update translation to r23024.
   Fixed 5 fuzzy translations and 1 untranslated message.
   Removed 25 obsolete messages.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion