Revert of [turbofan] Introduce a dedicated CheckBounds operator.

src/compiler/simplified-operator.cc

Index: src/compiler/simplified-operator.cc
diff --git a/src/compiler/simplified-operator.cc b/src/compiler/simplified-operator.cc
index fd79eb58cb82ee66868b3243bdde9e419652ece0..c8a0a2ea29fc818f8608857e4080cf636e2e0894 100644
--- a/src/compiler/simplified-operator.cc
+++ b/src/compiler/simplified-operator.cc
@@ -332,12 +332,6 @@
                                "ReferenceEqual", 2, 0, 0, 1, 0, 0);
 }
 
-const Operator* SimplifiedOperatorBuilder::CheckBounds() {
-  // TODO(bmeurer): Cache this operator. Make it pure!
-  return new (zone()) Operator(IrOpcode::kCheckBounds, Operator::kEliminatable,
-                               "CheckBounds", 2, 1, 1, 1, 1, 0);
-}
-
 const Operator* SimplifiedOperatorBuilder::TypeGuard(Type* type) {
   class TypeGuardOperator final : public Operator1<Type*> {
    public: