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
diff --git a/torch/csrc/jit/tensorexpr/types.cpp b/torch/csrc/jit/tensorexpr/types.cpp
index 9b6793b..55eb95d 100644
--- a/torch/csrc/jit/tensorexpr/types.cpp
+++ b/torch/csrc/jit/tensorexpr/types.cpp
@@ -72,10 +72,8 @@
 #define TYPE_CASE(t, n) \
   case ScalarType::n:   \
     return #t;
-    AT_FORALL_SCALAR_TYPES(TYPE_CASE);
+    AT_FORALL_SCALAR_TYPES_AND(Bool, TYPE_CASE);
 #undef TYPE_CASE
-    case ScalarType::Bool:
-      return "bool";
     case ScalarType::Half:
       return "half";
     default: