Update comment

Author: RyanCavanaugh

Common/Product/SharedProject/HierarchyNode.cs

@@ -929,7 +929,6 @@ public virtual void Remove(bool removeFromStorage) {
 
             RaiseOnItemRemoved(documentToRemove, filesToBeDeleted);
 
-            // When we don't call this it behaves properly also in Solution Explorer search result set
             // Notify hierarchy event listeners that items have been invalidated
             ProjectMgr.OnInvalidateItems(this);