Clean-up L1T unpacker warnings

[mulhearn]

This is the 80x version of #14591

[mulhearn]

+1

[mulhearn]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/13149/console

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_0_X IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @Degano, @smuzaffar

[cmsbuild]

A new Pull Request was created by @mulhearn for CMSSW_8_0_X.

It involves the following packages:

EventFilter/L1TRawToDigi
L1Trigger/Configuration
L1Trigger/L1TCommon

@cmsbuild, @davidlange6 can you please review it and eventually sign? Thanks.
@Martin-Grunewald this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[cmsbuild]

+1
Tested at: c1d10e1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14617/13149/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
87feb9b
d43f4f0
65bbbc6
0574bf0
12439ff
9a045ea
7ca714b
7fa7243
95c293c
4f6c2ca
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14617/13149/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14617/13149/git-merge-result

[davidlange6]

+1

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14617/13149/summary.html