[94X][pythia8] BeamRemnants update for LHE events

[smuzaffar]

see cms-externals/pythia8#27

[smuzaffar]

please test

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_9_4_X/gcc630.

@smuzaffar, @mrodozov can you please review it and eventually sign? Thanks.
cms-bot commands are listed here

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2980ea/12434/summary.html
COMMIT: 8a32eaa
CMSSW: CMSSW_9_4_X_2021-01-17-0000/slc6_amd64_gcc630
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/6582/12434/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 27
• DQMHistoTests: Total histograms compared: 2721493
• DQMHistoTests: Total failures: 107
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2721224
• DQMHistoTests: Total skipped: 162
• DQMHistoTests: Total Missing objects: 0

[smuzaffar]

+externals
@silviodonato , @qliphy feel free to merge it for 94X

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_9_4_X/gcc630 IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[qliphy]

+1