[turbofan] Desugar lookup slot optimization in graph builder.

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 8c52c9a565e9b843d3f40eb92245d311800be6af..2aafb7270b106e31e8fe2c0aa4735f4ec89cf10e 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -46,8 +46,6 @@ class JSTypedLowering final : public AdvancedReducer {
   Reduction ReduceJSStoreProperty(Node* node);
   Reduction ReduceJSLoadContext(Node* node);
   Reduction ReduceJSStoreContext(Node* node);
-  Reduction ReduceJSLoadDynamicGlobal(Node* node);
-  Reduction ReduceJSLoadDynamicContext(Node* node);
   Reduction ReduceJSEqual(Node* node, bool invert);
   Reduction ReduceJSStrictEqual(Node* node, bool invert);
   Reduction ReduceJSUnaryNot(Node* node);