Remove buggy do-loop data dependency case.
Remove buggy do-loop data dependency case.

I fear this whole module is suspect, to be honest.

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