Remove mcdb and libhepml dependencies

[smuzaffar]

As proposed here #14728 , we think there is nothing in cmssw which is using mcdb libhepml.

[cmsbuild]

The code-checks are being triggered in jenkins.

[smuzaffar]

please test with cms-sw/cmsdist#5886

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-30042/15746

• This PR adds an extra 12KB to repository

[cmsbuild]

The tests are being triggered in jenkins.
Tested with other pull request(s) cms-sw/cmsdist#5886
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6685/console Started: 2020/05/29 15:04

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

GeneratorInterface/LHEInterface
GeneratorInterface/MCatNLOInterface

@SiewYan, @mkirsano, @cmsbuild, @GurpreetSinghChahal, @agrohsje, @alberto-sanchez, @qliphy can you please review it and eventually sign? Thanks.
@alberto-sanchez, @agrohsje, @mkirsano this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1
Tested at: 16ba386
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f1b92e/6685/summary.html
CMSSW: CMSSW_11_2_X_2020-05-28-2300
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f1b92e/6685/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 36
• DQMHistoTests: Total histograms compared: 2780792
• DQMHistoTests: Total failures: 88
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2780654
• DQMHistoTests: Total skipped: 50
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 35 files compared)
• Checked 152 log files, 16 edm output root files, 36 DQM output files

[qliphy]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo (and backports should be raised in the release meeting by the corresponding L2)

[silviodonato]

+1