Revert of Thread maybe-assigned through the bytecodes.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index cd18d099ee596f087a09ec590384e1e19476ab8b..decc0724300cbaf3ae8a54c4aad3df34c27b51c5 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -556,15 +556,6 @@
   __ Dispatch();
 }
 
-// LdaImmutableContextSlot <context> <slot_index> <depth>
-//
-// Load the object in |slot_index| of the context at |depth| in the context
-// chain starting at |context| into the accumulator.
-void Interpreter::DoLdaImmutableContextSlot(InterpreterAssembler* assembler) {
-  // TODO(danno) Share the actual code object rather creating a duplicate one.
-  DoLdaContextSlot(assembler);
-}
-
 // LdaCurrentContextSlot <slot_index>
 //
 // Load the object in |slot_index| of the current context into the accumulator.
@@ -574,15 +565,6 @@
   Node* result = __ LoadContextElement(slot_context, slot_index);
   __ SetAccumulator(result);
   __ Dispatch();
-}
-
-// LdaImmutableCurrentContextSlot <slot_index>
-//
-// Load the object in |slot_index| of the current context into the accumulator.
-void Interpreter::DoLdaImmutableCurrentContextSlot(
-    InterpreterAssembler* assembler) {
-  // TODO(danno) Share the actual code object rather creating a duplicate one.
-  DoLdaCurrentContextSlot(assembler);
 }
 
 // StaContextSlot <context> <slot_index> <depth>