Remove unused variable.
Remove unused variable.

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