Fix syntax of process name.

workflow/conf/biohpc.config

@@ -7,7 +7,7 @@ process {
     module = ['python/3.6.1-2-anaconda']
     executor = 'local'
   }
-  $trim_galore {
+  $trimReads {
     module = ['python/3.6.1-2-anaconda', 'trimgalore/0.4.1']
     cpus = 32
   }