Remove the readme.cnconfig file

Description

Remove the readme.cnconfig file because all servers are in cn=config mode

Expected behavior:

no need to have a readme file that explain cn=config backend

Actual behavior:

we have a file from several years ago that explain cn=config

Reproduces how often:

100%

Additional Information

created branch 5792-remove-the-readme-cnconfig-file

By bmortier on 2018-03-17T14:56:21 (imported from GitLab)

mentioned in merge request !166

By bmortier on 2018-03-17T14:56:22 (imported from GitLab)

closed via merge request !166

By bmortier on 2018-03-17T21:17:19 (imported from GitLab)

closed via commit 15ef9121

By bmortier on 2018-03-17T21:17:19 (imported from GitLab)

mentioned in commit dbd33b8c

By bmortier on 2018-03-17T21:17:47 (imported from GitLab)

mentioned in merge request !167

By bmortier on 2018-03-17T21:17:47 (imported from GitLab)

mentioned in commit 15ef9121

By bmortier on 2018-03-20T15:30:05 (imported from GitLab)