TASK: Delete apigen.yml
TASK: Delete apigen.yml

The API documentation is discontinued, the tooling is outdated and
no one cares for static documentation anymore.

neos/flow-development-collection,robertlemke/flow-development-collection,fcool/flow-development-collection,robertlemke/flow-development-collection,neos/flow-development-collection,kdambekalns/flow-development-collection,kdambekalns/flow-development-collection,fcool/flow-development-collection,fcool/flow-development-collection,neos/flow-development-collection,robertlemke/flow-development-collection,robertlemke/flow-development-collection,fcool/flow-development-collection,neos/flow-development-collection,kdambekalns/flow-development-collection,kdambekalns/flow-development-collection