Remove min/max nodes option as slurm appears to do something inefficient with it

rose-suite_ROSA.conf

@@ -3,8 +3,7 @@
 COLD_START=True
 SEDIMENT=False
 USE_CETO=True
-MIN_NODES=4
-MAX_NODES=10
+NODES=10
 FORECAST=True
 REMOTE_USER='modop'
 MAIL_TO='mbe@pml.ac.uk'

rose-suite_TAMAR.conf

@@ -3,9 +3,8 @@
 COLD_START=True
 SEDIMENT=False
 USE_CETO=True
-MIN_NODES=4
-MAX_NODES=10
 FORECAST=True
+NODES=10
 REMOTE_USER='modop'
 
 INITIAL_START_DATE='2018-11-28T00:00:00Z'

suite.rc

@@ -162,7 +162,7 @@
 			submission polling intervals = PT10S
 			execution polling intervals = PT10S, PT1M
 		[[[directives]]]
-			--nodes = {{MIN_NODES}}-{{MAX_NODES}}
+			--nodes = {{NODES}}
 			--ntasks-per-node=20
 			--threads-per-core=1
 			--time=24:00:00