svntest: Remove extraneous function.
svntest: Remove extraneous function.

* subversion/tests/cmdline/svntest/actions.py
  (ignore_conflict_files_singleton_handler): Remove function, which is
   redundant with svntest.tree.detect_conflict_files().

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