remove link to advanced from index

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/index.mdwn b/index.mdwn
index 6e90c43..33aedc1 100644 (file)
--- a/index.mdwn
+++ b/index.mdwn
@@ -19,9 +19,6 @@ It can help you check whether your answer to some of the homework questions work
 
 There is now a [library](/lambda_library) of lambda-calculus arithmetical and list operations, some relatively advanced.
 
-There's also a page of [[miscellaneous lambda challenges and advanced topics]].
-
-
 
 <!--
   To play around with a **typed lambda calculus**, which we'll look at later