Move LookupResult into crankshaft as that's now the only place where it's still used

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index bc79580ac38674914cc219804c75d348f56f6546..dca7004a4fefee92439e482ce2da26ee2b3c2b76 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3026,22 +3026,6 @@ PropertyDetails Map::GetLastDescriptorDetails() {
 }
 
 
-void Map::LookupDescriptor(Name* name, LookupResult* result) {
-  DescriptorArray* descriptors = this->instance_descriptors();
-  int number = descriptors->SearchWithCache(name, this);
-  if (number == DescriptorArray::kNotFound) return result->NotFound();
-  result->DescriptorResult(descriptors->GetDetails(number), number);
-}
-
-
-void Map::LookupTransition(Name* name, PropertyAttributes attributes,
-                           LookupResult* result) {
-  int transition_index = this->SearchTransition(kData, name, attributes);
-  if (transition_index == TransitionArray::kNotFound) return result->NotFound();
-  result->TransitionResult(this->GetTransition(transition_index));
-}
-
-
 FixedArrayBase* Map::GetInitialElements() {
   if (has_fast_smi_or_object_elements() ||
       has_fast_double_elements()) {