moving executor outside of process

so that is is more clear to be able to reuse in profile

conf/biowulf.config

@@ -3,9 +3,6 @@ params {
     config_profile_description = 'Biowulf nf-core config'
     config_profile_contact = '[email protected]'
     config_profile_url = 'https://hpc.nih.gov/apps/nextflow.html'
-    max_memory = '224 GB'
-    max_cpus = 32
-    max_time = '72 h'
     clusterOptions = null
     igenomes_base = '/fdb/igenomes_nf/'
 }
@@ -24,21 +21,24 @@ env {
     OPENBLAS_NUM_THREADS = 1
 }
 
-
-process {
-    executor = 'slurm'
-    maxRetries = 1
+executor {
+    name = 'slurm'
     queue = 'norm'
     queueSize = 200
     pollInterval = '2 min'
     queueStatInterval = '5 min'
     submitRateLimit = '6/1min'
     retry.maxAttempts = 1
-
     clusterOptions = ' --gres=lscratch:200 '
     scratch = '/lscratch/$SLURM_JOB_ID'
+         }
+
+process {
+    executor = 'slurm'
+    maxRetries = 1
     stageInMode = 'symlink'
     stageOutMode = 'rsync'
+    resourceLimits = [ cpus: 128, memory: 499.GB, time: 240.h ]
     // for running pipeline on group sharing data directory, this can avoid inconsistent files timestamps
     cache = 'lenient'
 }