This bug tracks removing usage of SchemaIO and replacing with usage of SchemaTransform which is a more general API that covers all the use cases of SChemaIO.

See https://s.apache.org/beam-schema-transform and BEAM-14020.

Once the subtasks are complete than SchemaIO can be removed entirely. 

Imported from Jira BEAM-14021. Original Jira may contain additional context.
Reported by: laraschmidt.