[tripleo] Removal of TripleO Master Integration and Component Lines

Hello All, Removal of TripleO Master Integration and Component Lines Per the decision to not maintain TripleO after the Zed release [1], the master/main integration and component lines are being removed in the following patches: https://review.rdoproject.org/r/c/config/+/48073 https://review.rdoproject.org/r/c/config/+/48074 https://review.rdoproject.org/r/c/rdo-jobs/+/48075 The last promoted release of master through TripleO is: https://trunk.rdoproject.org/centos9-master/current-tripleo/delorean.repo (hash: ddce25bad764dde7e0515094b4d40471), which was promoted on 03/28/2023. Check/gate testing for the master branch is in process of being removed as well. [1] https://review.opendev.org/c/openstack/governance/+/878799