[turbofan] Remove special JSForInStep and JSForInDone.

src/compiler/js-typed-lowering.h

Index: src/compiler/js-typed-lowering.h
diff --git a/src/compiler/js-typed-lowering.h b/src/compiler/js-typed-lowering.h
index c81ddfa83e2a8dcb0d187430206ad5331442d8f4..92616c11caecfdbb1462c86e3312d9a9610bcb6b 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -22,7 +22,6 @@ namespace compiler {
 class CommonOperatorBuilder;
 class JSGraph;
 class JSOperatorBuilder;
-class MachineOperatorBuilder;
 class SimplifiedOperatorBuilder;
 class TypeCache;
 
@@ -67,9 +66,7 @@ class JSTypedLowering final : public AdvancedReducer {
   Reduction ReduceJSConvertReceiver(Node* node);
   Reduction ReduceJSCallConstruct(Node* node);
   Reduction ReduceJSCallFunction(Node* node);
-  Reduction ReduceJSForInDone(Node* node);
   Reduction ReduceJSForInNext(Node* node);
-  Reduction ReduceJSForInStep(Node* node);
   Reduction ReduceJSGeneratorStore(Node* node);
   Reduction ReduceJSGeneratorRestoreContinuation(Node* node);
   Reduction ReduceJSGeneratorRestoreRegister(Node* node);
@@ -84,7 +81,6 @@ class JSTypedLowering final : public AdvancedReducer {
   JSOperatorBuilder* javascript() const;
   CommonOperatorBuilder* common() const;
   SimplifiedOperatorBuilder* simplified() const;
-  MachineOperatorBuilder* machine() const;
   CompilationDependencies* dependencies() const;
   Flags flags() const { return flags_; }