Simplify/Generalize filing type codes in pay-api

[sumesh-aot]

Description:

Simplify/Generalize filing type codes in pay-api.

It has been decided that all the payment reports will be generated against data lake records, which allow us to simplify our filing type codes as there is no legacy system reporting dependency. The task is to generalize the filing type codes.

Dependency: Data lake Discuss with Thor and Bob

Acceptance for a Task:

• [ ] Requires deployments
• [ ] Add/ maintain selectors for QA purposes
• [ ] Test coverage acceptable
• [ ] Linters passed
• [ ] Peer Reviewed
• [ ] PR Accepted
• [ ] Production burn in completed

[sumesh-aot]

@amit4610 FYI