[interpreter] Remove special "prototype" load in class literals.

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 0ea14b21820489a10fd0b1a5ddf55f6f6d88cc69..2effde1a91fdf89815f7b6a95480785777a24f86 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -488,12 +488,6 @@ Node* BytecodeGraphBuilder::GetFunctionClosure() {
 }
 
 
-Node* BytecodeGraphBuilder::BuildLoadObjectField(Node* object, int offset) {
-  return NewNode(jsgraph()->machine()->Load(MachineType::AnyTagged()), object,
-                 jsgraph()->IntPtrConstant(offset - kHeapObjectTag));
-}
-
-
 Node* BytecodeGraphBuilder::BuildLoadImmutableObjectField(Node* object,
                                                           int offset) {
   return graph()->NewNode(jsgraph()->machine()->Load(MachineType::AnyTagged()),
@@ -963,13 +957,6 @@ void BytecodeGraphBuilder::VisitKeyedStoreICStrictWide() {
   BuildKeyedStore();
 }
 
-void BytecodeGraphBuilder::VisitLdaInitialMap() {
-  Node* js_function = environment()->LookupAccumulator();
-  Node* load = BuildLoadObjectField(js_function,
-                                    JSFunction::kPrototypeOrInitialMapOffset);
-  environment()->BindAccumulator(load);
-}
-
 void BytecodeGraphBuilder::VisitPushContext() {
   Node* new_context = environment()->LookupAccumulator();
   environment()->BindRegister(bytecode_iterator().GetRegisterOperand(0),