CastorBaseMonitor module removed, cleanup the rest Castor DQM modules

[popovvp]

back-port of PR #15350 (from 81X) to 80X

[cmsbuild]

A new Pull Request was created by @popovvp for CMSSW_8_0_X.

It involves the following packages:

DQM/CastorMonitor

@cmsbuild, @dmitrijus, @vanbesien, @davidlange6 can you please review it and eventually sign? Thanks.
@slava77, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[dmitrijus]

+1

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/15871/console
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/15889/console

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_0_X IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @smuzaffar

[cmsbuild]

+1
Tested at: b869ba5
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16007/15871/summary.html

[cmsbuild]

+1
Tested at: b869ba5
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16007/15889/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16007/15889/summary.html

[davidlange6]

+1