Update 13 km NA test to use new fixed files.

Fixes #123.

reg_tests/chgres_cube/13km.na.gfs.ncei.grib2.sh

@@ -12,18 +12,17 @@ set -x
 export DATA=$OUTDIR/13km_na_gfs_ncei_grib2
 rm -fr $DATA
 
-export CRES=819
+export CRES=818
 export KMRES=13km
 export FIXfv3=${HOMEreg}/fix/RRFS_NA_${KMRES}
-export FIXsfc=${FIXfv3}/fix_sfc
 export COMIN=${HOMEreg}/input_data/gfs.ncei.grib2
 
 export GRIB2_FILE_INPUT=gfs_4_20190801_0000_000.grb2
 export VCOORD_FILE=${HOMEufs}/fix/am/global_hyblev.l64.txt
 export VARMAP_FILE=${HOMEufs}/parm/varmap_tables/GFSphys_var_map.txt
 export INPUT_TYPE='grib2'
 export CONVERT_NST=".false."
-export OROG_FILES_TARGET_GRID="C819_oro_data.tile7.halo4.nc"
+export OROG_FILES_TARGET_GRID="C818_oro_data.tile7.nc"
 export REGIONAL=1
 export HALO_BLEND=0
 export HALO_BNDY=4