regent: Remove unnecessary linkage of libdevice since it's handled by Terra now.
regent: Remove unnecessary linkage of libdevice since it's handled by Terra now.

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion