Revert "Merge pull request #7888 from JuliaLang/teh/qrldiv"

This reverts commit 80407d51003228ddeed49a234f976414c4eba4a6, reversing
changes made to 0816e99301bcc456a090b0064ece7a74c2cb708f.
Merge pull request #7896 from JuliaLang/anj/revert

Revert "Merge pull request #7888 from JuliaLang/teh/qrldiv"