re-enable ci/cases/pr/C48mx500_3DVarAOWCDA.yaml (#2405)

Updates to re-enable C48mx500_3DVarAOWCDA CI test after it was disabled
in #2371

Fixes github.com//issues/2404

ci/cases/pr/C48mx500_3DVarAOWCDA.yaml

@@ -19,5 +19,4 @@ arguments:
 
 skip_ci_on_hosts:
   - orion
-  - hera
   - hercules

parm/config/gfs/yaml/defaults.yaml

@@ -32,12 +32,12 @@ snowanl:
 ocnanal:
   SOCA_INPUT_FIX_DIR: "/scratch2/NCEPDEV/ocean/Guillaume.Vernieres/data/static/72x35x25/soca"  # TODO: These need to go to glopara fix space.
   CASE_ANL: "C48"  # TODO: Check in gdasapp if used anywhere for SOCA
-  SOCA_OBS_LIST: "{{ HOMEgfs }}/sorc/gdas.cd/parm/soca/obs/obs_list.yaml"  # TODO: This is also repeated in oceanprepobs
+  SOCA_OBS_LIST: "${PARMgfs}/gdas/soca/obs/obs_list.yaml"  # TODO: This is also repeated in oceanprepobs
   SOCA_NINNER: 100
   SABER_BLOCKS_YAML: ""
   NICAS_RESOL: 1
   NICAS_GRID_SIZE: 15000
 prepoceanobs:
-  SOCA_OBS_LIST: "{{ HOMEgfs }}/sorc/gdas.cd/parm/soca/obs/obs_list.yaml"  # TODO: This is also repeated in ocnanal
-  OBSPREP_YAML: "{{ HOMEgfs }}/sorc/gdas.cd/parm/soca/obsprep/obsprep_config.yaml"
+  SOCA_OBS_LIST: "${PARMgfs}/gdas/soca/obs/obs_list.yaml"  # TODO: This is also repeated in ocnanal
+  OBSPREP_YAML: "${PARMgfs}/gdas/soca/obsprep/obsprep_config.yaml"
   DMPDIR: "/scratch1/NCEPDEV/global/glopara/data/experimental_obs"