Fix license headers in MQ directory

Remove wrong license header from several files which came in by using a template. The code was developed by the respective persons, the license header came in by using a skeleton.

Improve license header test script Exclude ParMQServer classes from test. Code was copied from FairRoot which has its own license header.

added CI/CD label

Dear @f.uhlig, @p.-a.loizeau, @n.herrmann, @i.deppner,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

changed title from Improve license header test script to Fix license headers in MQ directory

changed the description

added 6 commits

• 162d926c...ec5392e9 - 4 commits from branch computing:master
• 62c313fa - Improve license header test script
• c74816d6 - Fix license headers in MQ directory

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merged