Remove old ART test which is no longer needed (ATR-20281)
deleted: Trigger/TrigValidation/TrigUpgradeTest/test/test_trigUpgr_egamma_cf_build.sh
GitLab Registry scheduled maintenance on Wednesday, October 09th 2024 as of 20:00h Geneva time for a period of 1 hour. Further information under https://cern.ch/otg0152540.
deleted: Trigger/TrigValidation/TrigUpgradeTest/test/test_trigUpgr_egamma_cf_build.sh