Remove some more hlint-discovered duplication.
Remove some more hlint-discovered duplication.

diku-dk/futhark,mrakgr/futhark,diku-dk/futhark,mrakgr/futhark,diku-dk/futhark,ihc/futhark,diku-dk/futhark,CulpaBS/wbBach,HIPERFIT/futhark,HIPERFIT/futhark,diku-dk/futhark,HIPERFIT/futhark,ihc/futhark,ihc/futhark,mrakgr/futhark