Revert "Disable PN spin evolution" for NRSur7dq4Remnant
Description
Turn PN spin evolution back on for NRSur7dq4Remnant fits. It was temporarily disabled to investigate potential nonsmooth behavior but this is now resolved.
API Changes and Justification
Backwards Compatible Changes
- This change introduces no API changes
- This change adds new API calls
Backwards Incompatible Changes
- This change modifies an existing API
- This change removes an existing API
Review Status
The basic code has already been reviewed, but this change still needs to be signed-off: https://git.ligo.org/waveforms/reviews/RemnantFits/-/wikis/home