Remove obsolete HardEventHypothesis class

[perrotta]

As pointed out in github issue #29834, and confirmed by the original author of the code therein (@rappoccio), the class HardEventHypothesis "has no purpose anymore and can be removed".

This is what this PR does. No effect expected anywhere

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-29903/15488

• This PR adds an extra 16KB to repository

[cmsbuild]

A new Pull Request was created by @perrotta for master.

It involves the following packages:

DataFormats/PatCandidates

@perrotta, @cmsbuild, @santocch, @slava77 can you please review it and eventually sign? Thanks.
@gouskos, @hatakeyamak, @rovere, @cbernet, @gpetruc, @peruzzim this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[perrotta]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6414/console Started: 2020/05/19 10:46

[cmsbuild]

+1
Tested at: 44a7b09
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-aa07b4/6414/summary.html
CMSSW: CMSSW_11_1_X_2020-05-18-2300
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-aa07b4/6414/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 35
• DQMHistoTests: Total histograms compared: 2694466
• DQMHistoTests: Total failures: 42
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2694375
• DQMHistoTests: Total skipped: 49
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 34 files compared)
• Checked 150 log files, 16 edm output root files, 35 DQM output files

[perrotta]

+1

• Trivial removal of useless and obsolete code

[silviodonato]

merge
@santocch

[santocch]

+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 be automatically merged.