Removed reference to chat.c

docs/API.md

@@ -222,8 +222,7 @@ the length of the fetched value, or 0 if variable not found.
 Add, edit or delete the entry in the passwords file.  
 This function allows an application to manipulate .htpasswd files on the
 fly by adding, deleting and changing user records. This is one of the
-several ways of implementing authentication on the server side. For another,
-cookie-based way please refer to the examples/chat.c in the source tree.  
+several ways of implementing authentication on the server side.  
 If password is not NULL, entry is added (or modified if already exists).
 If password is NULL, entry is deleted.  
 Return: 1 on success, 0 on error.