Remove empty classes_def file from DPGAnalysis/HcalNanoAOD

[makortel]

PR description:

duplicateReflexLibrarySearch.py was indicating this file "did not have the proper information", and upon closer look, they are effectively empty, and can thus be removed.

Resolves cms-sw/framework-team#971

PR validation:

Code compiles.

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-45583/41086

[cmsbuild]

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

It involves the following packages:

• DPGAnalysis/HcalNanoAOD (xpog)

@cmsbuild, @ftorrresd, @hqucms, @vlimant can you please review it and eventually sign? Thanks.
@mmusich this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[makortel]

@cmsbuild, please test

[makortel]

type -changes-dataformats

[cmsbuild]

+1

Size: This PR adds an extra 16KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-574181/40683/summary.html
COMMIT: 4068b2a
CMSSW: CMSSW_14_1_X_2024-07-29-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/45583/40683/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 9 lines to the logs
• Reco comparison results: 100 differences found in the comparisons
• DQMHistoTests: Total files compared: 45
• DQMHistoTests: Total histograms compared: 3423961
• DQMHistoTests: Total failures: 2470
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3421471
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 44 files compared)
• Checked 196 log files, 165 edm output root files, 45 DQM output files
• TriggerResults: no differences found

[vlimant]

+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. @mandrenguyen, @sextonkennedy, @rappoccio, @antoniovilela (and backports should be raised in the release meeting by the corresponding L2)

[makortel]

Comparison differences are related to #39803

[mandrenguyen]

+1