Update slurm.conf for Slurm 20.11

This disables accounting (since the filetxt accounting type has been
removed in Slurm 20.11), but accounting wasn't saved previously anyway,
since not AccountingStorageLoc was specified.

Also, the FastSchedule parameter has been removed.

files/slurm.conf

@@ -33,14 +33,13 @@ MinJobAge=259200
 #
 #
 # SCHEDULING
-FastSchedule=1
 SchedulerType=sched/backfill
 SelectType=select/cons_res
 SelectTypeParameters=CR_Core
 #
 #
 # LOGGING AND ACCOUNTING
-AccountingStorageType=accounting_storage/filetxt
+#AccountingStorageType=accounting_storage/none
 ClusterName=analysator
 
 JobCompType=jobcomp/script