## Description 

Revert easy-to-implement + important checks from #14298. Rest requires a
custom json parser (which requires finding an alternative to
https://github.com/microsoft/node-jsonc-parser/) + the remaining are not
as crucial.

## Test Plan 

Added tests!

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### Type of Change (Check all that apply)

- [ ] protocol change
- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes