Remove goto statements from GFS package

[WalterKolczynski-NOAA]

This is a tracking issue to monitor the progress of goto statement removal from packages used by global-workflow. This issue should link to the corresponding GitHub issues in the offending packages to ensure all are addressing this issue.

As of 16.0.7, here is the goto count reported by NCO:

global-workflow codes:

• enkf_chgres_recenter.fd : 49
• enkf_chgres_recenter_nc.fd : 13
• fbwndgfs.fd : 3
• gaussian_sfcanl.fd : 65
• gfs_bufr.fd : 65
• supvit.fd : 3
• syndat_getjtbul.fd : 5
• syndat_maksynrc.fd : 1
• syndat_qctropcy.fd : 153
• tave.fd : 3
• vint.fd : 4

Component codes:

• ufs-weather-model: fv3gfs.fd : 1298
• UPP: gfs_post.fd : 230
• EMC_gfs_wafs: gfs_wafs.fd : 38
• GLDAS: gldas.fd : 15
• GSI: gsi.fd : 875
• UFS_UTILS: ufs_utils.fd : 217

Total: 3037

Refs: Bugzilla #216

[WalterKolczynski-NOAA]

Current develop:

gfs_utils.fd: 20
gsi_enkf.fd: 7
gsi_monitor.fd: 2
gsi_utils.fd: 31
ufs_model.fd: 529
ufs_utils.fd: 75

[WalterKolczynski-NOAA]

Further breakdown for UFS (a few are false-positives):

(gfs_workflow) Orion-login-3 ufs_model.fd/>for dir in *; do echo "$dir: $(grep -oR goto $dir | wc -l)"; done | grep -v ": 0"
AQM: 36
CDEPS-interface: 2
CICE-interface: 141
doc: 2
FV3: 137
GOCART: 2
HYCOM-interface: 54
MOM6-interface: 4
NOAHMP-interface: 3
stochastic_physics: 5
WW3: 143