Revert "Encode the path passed to json-schema as a URI"

This reverts commit 5c097f9e0b89debc3923b4cfeba0730a68cfb210.
Revert "(#21881) Validate ResourceType against a json schema in tests"

This reverts commit cc464f012f5c254c204dab97290da1795fbed031. There have been
too many issues so far trying to make this library work on our test systems.
Merge branch 'remove-json-schema'

* remove-json-schema:
  Revert "(#21881) Validate ResourceType against a json schema in tests"
  Revert "Encode the path passed to json-schema as a URI"