Remove goto statements in wav_shel_in.F90

[mingchen-NOAA]

Pull Request Summary

Remove gotos in wav_shel_in.F90.

Description

This PR removes the remaining goto statements in wav_shel_in.F90.
No change of answers is expected after this change.

Issue(s) addressed

fixes #1487

Commit Message

Remove goto statements in wav_shel_in.F90

Check list

• Branch is up to date with the authoritative repository (NOAA-EMC) develop branch.
• Checked the checklist for a developer submitting to develop.
• If a version number update is required, checked the updating version number checklist.
• If a new feature was added, a regression test for testing the new feature is added.

Testing

• How were these changes tested? UFSWM full RT passed
• Are the changes covered by regression tests? (If not, why? Do new tests need to be added?)
• Have the matrix regression tests been run (if yes, please note HPC and compiler)? Ursa
• Please indicate the expected changes in the regression test output, (Note the list of known non-identical tests.)
• Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):

[mingchen-NOAA]

UFSWM RT tests PASSED on Ursa
/scratch4/NCEPDEV/marine/Ming.Chen/ufs_wm/ursa/rmGoTo/tests

[JessicaMeixner-NOAA]

Thanks @mingchen-NOAA for fixing this!