Remove LightElement property resolving

plugins/android-idea-plugin/src/org/jetbrains/jet/plugin/android/AndroidKotlinIsReferenceToExtension.kt

@@ -29,7 +29,7 @@ public class AndroidKotlinIsReferenceToExtension : KotlinIsReferenceToExtension
     override fun isReferenceTo(reference: JetSimpleNameReference, element: PsiElement): Boolean? {
         val resolvedElement = reference.resolve()
         if (resolvedElement == null) {
-            return false
+            return null
         }
         if (isAndroidSyntheticElement(resolvedElement)) {
             if (element is ValueResourceElementWrapper) {
@@ -37,9 +37,6 @@ public class AndroidKotlinIsReferenceToExtension : KotlinIsReferenceToExtension
                 return (resolvedElement as JetProperty).getName() == resource.substring(resource.indexOf('/') + 1)
             }
         }
-        else if (resolvedElement is LightElement && element is JetProperty) {
-            return resolvedElement.getName() == element.getName()
-        }
         return null
     }