Revert D28841011: [TensorExpr] Fix printing of Bool dtype.
Test Plan: revert-hammer
Differential Revision:
D28841011 (https://github.com/pytorch/pytorch/commit/19985d6f8432fa2dad254319fb7a8f7691b5e70d)
Original commit changeset: 9f68dd47e14a
fbshipit-source-id: ff517cfff49e46ed513e79eabbe9e9fd246ccce8
