Remove the support in the test suite's ExpectedOutput class for ignoring
lines that match a regular expression.

The support is rather limited (and, I think, actually broken in the general
case), and it is getting in the way of generalizing the matcher classes.
This was added in r998644 for an svnrdump test, and that is still the only
user, so make that test ignore those lines itself.

* subversion/tests/cmdline/svnrdump_tests.py
  (run_dump_test): Remove the lines that we don't expect to match, instead
    of asking compare_and_display_lines() to do so.

* subversion/tests/cmdline/svntest/verify.py
  (ExpectedOutput, UnorderedOutput): Remove the matches_except() methods and
    the 'except_re' parameter to the matches() method.
  (RegexOutput, UnorderedRegexOutput): Remove the (unimplemented)
    matches_except() methods.
  (compare_and_display_lines): Remove the 'except_re' parameter.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1443279 13f79535-47bb-0310-9956-ffa450edef68