Move text_format data type from core to text module

Problem/Motivation

Move text_format data type from core to text.data_types.schema.yml.

Proposed resolution

Move text_format data type from core to text.data_types.schema.yml.

Remaining tasks

PR doing the change. Tests must pass.

User interface changes

None.

API changes

Do we need deprecation in data types? Don't think so.

Data model changes

N/A

Release notes snippet

Probably not needed. Needs CR though.