Always use GEFS post flatfile for GEFS

The GEFS flatfile overrides shouldn't be gated by inline post as they
should be used when running offline post as well.

parm/config/gefs/config.base.emc.dyn

@@ -262,11 +262,9 @@ export OUTPUT_GRID="gaussian_grid"
 export WRITE_DOPOST=".true." # WRITE_DOPOST=true, use inline POST
 export WRITE_NSFLIP=".true."
 
-if [[ ${WRITE_DOPOST} == ".true." ]]; then
-    # Override normal post flat files for GEFS
-    export FLTFILEGFS="${PARMgfs}/post/postxconfig-NT-GEFS.txt"
-    export FLTFILEGFSF00="${PARMgfs}/post/postxconfig-NT-GEFS-F00.txt"
-fi
+# Override normal post flat files for GEFS
+export FLTFILEGFS="${PARMgfs}/post/postxconfig-NT-GEFS.txt"
+export FLTFILEGFSF00="${PARMgfs}/post/postxconfig-NT-GEFS-F00.txt"
 
 # Microphysics Options: 99-ZhaoCarr, 8-Thompson; 6-WSM6, 10-MG, 11-GFDL
 export imp_physics=@IMP_PHYSICS@