community/ruby-ox: upgrade to 2.14.18
https://github.com/ohler55/ox/blob/develop/CHANGELOG.md
sax_test-omit-failing.patch
has been deleted as the tests now pass.
https://github.com/ohler55/ox/blob/develop/CHANGELOG.md
sax_test-omit-failing.patch
has been deleted as the tests now pass.