Revert "Use conda-forge in mac mps test (#87155)"
This reverts commit 74138a8daa93ec4cb08e4dd31c2773ec0c751d94.
Reverted https://github.com/pytorch/pytorch/pull/87155 on behalf of https://github.com/huydhn due to Conda issue has been resolved upstream https://github.com/pytorch/pytorch/issues/87148
