Revert "compile for correct arch on OS X"
Revert "compile for correct arch on OS X"

This reverts commit 91960b90c1943b3bdb5ae67b5d313409babea3ac.

xdg/mongo-perl-driver,kainwinterheart/mongo-perl-driver,gormanb/mongo-perl-driver,gormanb/mongo-perl-driver,jorol/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,dagolden/mongo-perl-driver,gormanb/mongo-perl-driver,dagolden/mongo-perl-driver,mongodb/mongo-perl-driver,xdg/mongo-perl-driver,mongodb/mongo-perl-driver,kainwinterheart/mongo-perl-driver,xdg/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,dagolden/mongo-perl-driver,jorol/mongo-perl-driver,jorol/mongo-perl-driver,gormanb/mongo-perl-driver,rahuldhodapkar/mongo-perl-driver,mongodb/mongo-perl-driver,kainwinterheart/mongo-perl-driver,kainwinterheart/mongo-perl-driver,jorol/mongo-perl-driver,dagolden/mongo-perl-driver