[Svn] [roundcube/roundcubemail] 7ebc15: Travis: Remove in-browser tests

[Aleksander Machniak]

  Branch: refs/heads/master
  Home:   https://github.com/roundcube/roundcubemail
  Commit: 7ebc159780fdad049ec3242e41374b08f48fe03d
      https://github.com/roundcube/roundcubemail/commit/7ebc159780fdad049ec3242e41374b08f48fe03d
  Author: Aleksander Machniak <alec at alec.pl>
  Date:   2019-12-29 (Sun, 29 Dec 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Travis: Remove in-browser tests

Yeah, we'd need to setup a test account on some IMAP server which
would be publicly available. I'm not sure we can do that.
Also, we'd need to add config-tests.inc.php file and maybe use sqlite database.