Remove regtest XFAIL for fixed ASN rule

[hbushouse]

This PR removes the XFAIL setting in the asn regtests for the program jw00016 pool, now that JP-3230 and JP-3232 have been completed. The first regtest run will result in differences, which can then be okified.

Checklist for maintainers

• added entry in CHANGES.rst within the relevant release section
• updated or added relevant tests
• updated relevant documentation
• added relevant milestone
• added relevant label(s)
• ran regression tests, post a link to the Jenkins job below.
  How to run regression tests on a PR
• Make sure the JIRA ticket is resolved properly

[hbushouse]

Limited regtest run for asn tests only started at https://plwishmaster.stsci.edu:8081/job/RT/job/JWST-Developers-Pull-Requests/869

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (589917d) 76.52% compared to head (dec86c0) 76.52%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7830   +/-   ##
=======================================
  Coverage   76.52%   76.52%           
=======================================
  Files         456      456           
  Lines       36964    36964           
=======================================
  Hits        28285    28285           
  Misses       8679     8679           

Flag	Coverage Δ		*Carryforward flag
nightly	77.39% <ø> (ø)		Carriedforward from 3790db0

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[hbushouse]

Hmmm, regtest doesn't seem to be working right. Probably entered the pytest arguments wrong, in my attempt to limit to only asn tests. Worked from the command line!

[tapastro]

Regtest: https://plwishmaster.stsci.edu:8081/job/RT/job/JWST-Developers-Pull-Requests/870/testReport/

[hbushouse]

Regtest: https://plwishmaster.stsci.edu:8081/job/RT/job/JWST-Developers-Pull-Requests/870/testReport/

Cool. thanks! Yeah, those are all the changes we'd expect, in terms of differences between rate/rateints and cal/calints files.