Revert "regent: Minor change to vectorizer"
Revert "regent: Minor change to vectorizer"

This reverts commit 0187ac00246c252a9dbf6f10ca7389a523e5c0ac.

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