Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow,...

Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow, webchick, shaal, Mixologic, heddn: Core extensions should not need to specify the new core_version_requirement in *.info.yml files so that 9.0.x can be installed