Revert "[XRootd] Update to version 5.1.1"

[mrodozov]

Reverts #6735
definitely is a problem with the 5.1.1 client which was somehow working locally

[cmsbuild]

A new Pull Request was created by @mrodozov (Mircho Rodozov) for branch IB/CMSSW_12_0_X/devel.

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

[mrodozov]

please test for CMSSW_12_0_DEVEL_X

[cmsbuild]

-1

Failed Tests: UnitTests
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-283c5f/14383/summary.html
COMMIT: f181020
CMSSW: CMSSW_12_0_DEVEL_X_2021-04-20-2300/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/6828/14383/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• New dasgoclient version #6821 @vkuznet: New dasgoclient version
• Openloops - remove a process #6825 @cms-sw: Openloops - remove a process
• DD4Hep - get latest on master #6826 @cms-sw: DD4Hep - get latest on master

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-283c5f/14383/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-283c5f/14383/git-merge-result

Unit Tests

I found errors in the following unit tests:

---> test TestFWCorePythonFrameworkDriver had ERRORS
---> test materialBudgetHGCalPlots had ERRORS
---> test materialBudgetTrackerPlots had ERRORS

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 5086 differences found in the comparisons
• DQMHistoTests: Total files compared: 38
• DQMHistoTests: Total histograms compared: 2877046
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2877023
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 37 files compared)
• Checked 160 log files, 37 edm output root files, 38 DQM output files
• TriggerResults: no differences found