This commit removes the NGCC code and all the related infra setup required to support it.
BREAKING CHANGE: Angular Compatibility Compiler (ngcc) has been removed and as a result Angular View Engine libraries will no longer work
PR Close#49101
* Updates ng-dev to support the new g3sync canonical JSON configs
* Updates the google-internal-tests option to support the g3 sync
canonical JSON config
* Moves the YAML sync config to a dedicated JSON file, used by the
action and by `yarn ng-dev`.
* Updates the ng-dev caretaker config to fix that the Merge assistance
queue is always empty.
PR Close#47779