[turbofan] Remove unsafe JSToBoolean lowering.

test/unittests/compiler/js-typed-lowering-unittest.cc

Index: test/unittests/compiler/js-typed-lowering-unittest.cc
diff --git a/test/unittests/compiler/js-typed-lowering-unittest.cc b/test/unittests/compiler/js-typed-lowering-unittest.cc
index 765f18fbc3f994d093421b3e6d6441c60cc47fe9..0b9935081bd99f87b2530130d572fc297453aa35 100644
--- a/test/unittests/compiler/js-typed-lowering-unittest.cc
+++ b/test/unittests/compiler/js-typed-lowering-unittest.cc
@@ -116,20 +116,6 @@ TEST_F(JSTypedLoweringTest, JSToBooleanWithNumber) {
   EXPECT_THAT(r.replacement(), IsNumberToBoolean(input));
 }
 
-TEST_F(JSTypedLoweringTest, JSToBooleanWithString) {
-  Node* input = Parameter(Type::String(), 0);
-  Node* context = Parameter(Type::Any(), 1);
-  Reduction r = Reduce(graph()->NewNode(
-      javascript()->ToBoolean(ToBooleanHint::kAny), input, context));
-  ASSERT_TRUE(r.Changed());
-  EXPECT_THAT(
-      r.replacement(),
-      IsNumberLessThan(IsNumberConstant(0.0),
-                       IsLoadField(AccessBuilder::ForStringLength(), input,
-                                   graph()->start(), graph()->start())));
-}
-
-
 TEST_F(JSTypedLoweringTest, JSToBooleanWithAny) {
   Node* input = Parameter(Type::Any(), 0);
   Node* context = Parameter(Type::Any(), 1);