Revert "API-27078-526-v2-allow-yyyy-mm-date-format-2"

[rmtolmach]

Reverts #12927

https://dsva.slack.com/archives/CBU0KDSB1/p1686327875452319

[github-actions]

1 Warning

⚠️

This PR changes 339 LoC (not counting whitespace/newlines). In order to ensure each PR receives the proper attention it deserves, we recommend not exceeding 200. Expect some delays getting reviews. File Summary Files modules/claims_api/app/controllers/concerns/claims_api/v2/disability_compensation_validation.rb (+4/-54) modules/claims_api/spec/lib/claims_api/v2/disability_compensation_pdf_mapper_spec.rb (+13/-13) modules/claims_api/spec/requests/v2/veterans/disability_compensation_request_spec.rb (+17/-238) Note: We exclude files matching the following when considering PR size: *.csv, *.json, *.tsv, *.txt, Gemfile.lock, app/swagger, modules/mobile/docs, spec/fixtures/, spec/support/vcr_cassettes/, modules/mobile/spec/support/vcr_cassettes/, db/seeds, modules/vaos/app/docs, modules/meb_api/app/docs, modules/appeals_api/app/swagger/ Big PRs are difficult to review, often become stale, and cause delays.

Generated by 🚫 Danger

[rockwellwindsor-va]

Everything looks reverted.