Update examples to horse filesystem

- Remove ssd filesystem

doc.zih.tu-dresden.de/docs/software/nanoscale_simulations.md

@@ -122,7 +122,7 @@ However hereafter we have an example on how that might look like for Gaussian:
     #SBATCH --time=36:00:00
     #SBATCH --nodes=2
     #SBATCH --ntasks=2
-    #SBATCH --constraint=fs_lustre_ssd
+    #SBATCH --constraint=local_disk
     #SBATCH --cpus-per-task=24
     #SBATCH --mem-per-cpu 2050
     # only 2050 MB RAM for haswell, as Gaussian somehow crashes if we try using the full 2541 of it
@@ -139,7 +139,7 @@ However hereafter we have an example on how that might look like for Gaussian:
 
     # Allocate workspace. Adjust time span to time limit of the job (-d <N>).
     COMPUTE_DIR=gaussian_${SLURM_JOB_ID}
-    export GAUSS_SCRDIR=$(ws_allocate -F ssd -n ${COMPUTE_DIR} -d 7)
+    export GAUSS_SCRDIR=$(ws_allocate --filesystem horse --name ${COMPUTE_DIR} --duration 7)
     echo ${GAUSS_SCRDIR}
 
     # Check allocation.
@@ -159,7 +159,7 @@ However hereafter we have an example on how that might look like for Gaussian:
     if [ "TRUE" = ${COMPRESSION_SUCCESS} ]; then
         test -d ${GAUSS_SCRDIR} && rm -rf ${GAUSS_SCRDIR}/*
         # Reduces grace period to 1 day!
-        ws_release -F ssd ${COMPUTE_DIR}
+        ws_release -F horse ${COMPUTE_DIR}
     else
         echo "Error with compression and writing of results"
         echo "Please check the folder \"${GAUSS_SRCDIR}\" for any partial(?) results."