[ic] Remove deprecated LoadConstantStub and other related dead code

src/ic/handler-compiler.h

Index: src/ic/handler-compiler.h
diff --git a/src/ic/handler-compiler.h b/src/ic/handler-compiler.h
index 0dec36af2f5c9fb4ee3225acbf372becc4550aaf..2d6b4721b07a7060a85f5b32e4fce18795ccd1f1 100644
--- a/src/ic/handler-compiler.h
+++ b/src/ic/handler-compiler.h
@@ -134,8 +134,6 @@ class NamedLoadHandlerCompiler : public PropertyHandlerCompiler {
 
   virtual ~NamedLoadHandlerCompiler() {}
 
-  Handle<Code> CompileLoadField(Handle<Name> name, FieldIndex index);
-
   Handle<Code> CompileLoadCallback(Handle<Name> name,
                                    Handle<AccessorInfo> callback,
                                    Handle<Code> slow_stub);
@@ -144,8 +142,6 @@ class NamedLoadHandlerCompiler : public PropertyHandlerCompiler {
                                    const CallOptimization& call_optimization,
                                    int accessor_index, Handle<Code> slow_stub);
 
-  Handle<Code> CompileLoadConstant(Handle<Name> name, int constant_index);
-
   // The LookupIterator is used to perform a lookup behind the interceptor. If
   // the iterator points to a LookupIterator::PROPERTY, its access will be
   // inlined.
@@ -244,9 +240,6 @@ class NamedStoreHandlerCompiler : public PropertyHandlerCompiler {
 
   void ZapStackArgumentsRegisterAliases();
 
-  Handle<Code> CompileStoreTransition(Handle<Map> transition,
-                                      Handle<Name> name);
-  Handle<Code> CompileStoreField(LookupIterator* it);
   Handle<Code> CompileStoreCallback(Handle<JSObject> object, Handle<Name> name,
                                     Handle<AccessorInfo> callback,
                                     LanguageMode language_mode);