Undo accidental comment removal

Author: tamasvajk

csharp/extractor/Semmle.Extraction.CSharp/Entities/Base/CachedEntityFactory.cs

@@ -5,6 +5,9 @@ namespace Semmle.Extraction.CSharp
     /// </summary>
     public abstract class CachedEntityFactory<TInit, TEntity> where TEntity : Entities.CachedEntity
     {
+        /// <summary>
+        /// Initializes the entity, but does not generate any trap code.
+        /// </summary>
         public abstract TEntity Create(Context cx, TInit init);
     }
 }