[Svn] [roundcube/roundcubemail] d42b51: Removed Docker files

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/roundcube/roundcubemail
  Commit: d42b51a1f30a7fb1bea9291dc85acf9d310c2bc2
      https://github.com/roundcube/roundcubemail/commit/d42b51a1f30a7fb1bea9291dc85acf9d310c2bc2
  Author: Thomas Bruederli <thomas at roundcube.net>
  Date:   2018-02-27 (Tue, 27 Feb 2018)

  Changed paths:
    R docker/Dockerfile
    R docker/README.md
    R docker/docker-entrypoint.sh

  Log Message:
  -----------
  Removed Docker files

These are now maintained in a seprarate repository at
https://github.com/roundcube/roundcubemail-docker