Address PR feedback for displayBuilder

src/compiler/checker.ts

@@ -608,7 +608,7 @@ module ts {
             // If it is an instantiated symbol, then it is a value if the symbol it is an
             // instantiation of is a value.
             if (symbol.flags & SymbolFlags.Instantiated) {
-                return (getSymbolLinks(symbol).target.flags & SymbolFlags.Value) !== 0;
+                return symbolIsValue(getSymbolLinks(symbol).target);
             }
 
             // If the symbol has the value flag, it is trivially a value.

src/services/services.ts

@@ -2709,10 +2709,6 @@ module ts {
                     if (rootSymbolFlags & SymbolFlags.SetAccessor) return ScriptElementKind.memberVariableElement;
                     Debug.assert(rootSymbolFlags & SymbolFlags.Method);
                 }) || ScriptElementKind.memberFunctionElement;
-
-                
-                //? 
-                //: ScriptElementKind.memberFunctionElement
             }
 
             return ScriptElementKind.unknown;