Revert "Switch to CLHEP 2.4.0.0"

[smuzaffar]

Reverts #3616

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/25253/console

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for branch IB/CMSSW_10_0_X/gcc630.

@cmsbuild, @smuzaffar, @gudrutis, @mrodozov can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
You can reject by replying to this message having '-1' in the first line of your reply.

[cmsbuild]

+1
Tested at: 7f5a3a8
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3649/25253/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3649/25253/summary.html

@slava77 comparisons for the following workflows were not done due to missing matrix map:

• /build/cmsbld/jenkins-workarea/workspace/compare-root-files-short-matrix/results/JR-comparison/PR-3649/1325.7_TTbar_13_94XNanoAODINPUT+TTbar_13_94XNanoAODINPUT+NANOEDMMC2017

Comparison Summary:

• No significant changes to the logs found
• ROOTFileChecks: Some differences in event products or their sizes found
• Reco comparison results: 22358 differences found in the comparisons
• DQMHistoTests: Total files compared: 26
• DQMHistoTests: Total histograms compared: 2773742
• DQMHistoTests: Total failures: 105842
• DQMHistoTests: Total nulls: 4
• DQMHistoTests: Total successes: 2667727
• DQMHistoTests: Total skipped: 169
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.860000000059 KiB( 22 files compared)
• Checked 110 log files, 9 edm output root files, 26 DQM output files