HCA schemas for descriptor lacks `drs_uri` property

[nadove-ucsc]

This property is only present in LungMap snapshots, which use a version of the schema from an un-merged feature branch.

https://raw.githubusercontent.com/HumanCellAtlas/metadata-schema/lungmap-phantom-files/json_schema/system/file_descriptor.json

[nadove-ucsc]

Assignee to consider next steps.

[hannes-ucsc]

I dusted off the old PR against the schema repo: HumanCellAtlas/metadata-schema#1575 and asked for EBI's help in finishing it.

[hannes-ucsc]

I will continue tending to that new schema PR. Once it has been merged, we'll need to ask LungMAP to stop referring to the schema on the stale feature branch and instead point to the HCA schema repository. They'll likely need to update all of their current projects and TDR needs to re-import them.

[hannes-ucsc]

Enrique from EBI helped with the PR and I requested review on it.

[hannes-ucsc]

Schema PR has been merged and deployed.

[hannes-ucsc]

Additionally, LungMAP states that they updated all schema references to use the deployed schema but we shouldn't trust their word on it.

Assignee to create PR that requires all HCA schema URLs to use netloc schema.humancellatlas.org.

We may have cans that refer to other schema locations but those should only be accepted during tests.