Remove dead code from LookupResult

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index fc5fdef968c24844c4e5f599886288d5516c4c1c..e347c1393c8786a22e794c2c174979e24fac7b55 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -994,6 +994,13 @@ void StoreFieldStub::InstallDescriptors(Isolate* isolate) {
 }
 
 
+// static
+void LoadFastElementStub::InstallDescriptors(Isolate* isolate) {
+  LoadFastElementStub stub(isolate, true, FAST_ELEMENTS);
+  InstallDescriptor(isolate, &stub);
+}
+
+
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate) {
   minor_key_ = ArgumentCountBits::encode(ANY);