Remove dead code from LookupResult

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 45d2f14347afe181421fd966a05ce27f32635687..59f966722045ab2b3f72aa13ed04b0423f638fcf 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2497,11 +2497,8 @@ void Genesis::TransferNamedProperties(Handle<JSObject> from,
           JSObject::SetNormalizedProperty(to, key, callbacks, d);
           break;
         }
+        // Do not occur since the from object has fast properties.
         case NORMAL:
-          // Do not occur since the from object has fast properties.
-        case HANDLER:
-        case INTERCEPTOR:
-          // No element in instance descriptors have proxy or interceptor type.
           UNREACHABLE();
           break;
       }