Remove deprecated docker images after TYPO3 v10 entering ELTS
TYPO3 v10 ELTS is near. Some images are then no longer
needed, after ensuring gerrit-adapter
no longer pushes
pipeline runs to the CI.
- core-testing-php72
- core-testing-php73
- core-testing-js
- core-testing-js-chrome
NOTE gerrit-adapter
must be adjusted before.
See: gerrit-adapter#2