Revert "Fix all Python Cookbook links (#22205)" (GH-22424)

This commit reverts commit ac0333e1e117b7f61ed7ef1dbcdb6e515ada603b as the original links are working again and they provide extended features such as comments and alternative versions.
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index f152c45..bbf6464 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -123,7 +123,7 @@
 
    For further discussion and two alternative approaches, see the `ASPN cookbook
    recipes for accurate floating point summation
-   <https://github.com/ActiveState/code/tree/master/recipes/Python/393090_Binary_floating_point_summatiaccurate_full/recipe-393090.py>`_\.
+   <https://code.activestate.com/recipes/393090/>`_\.
 
 
 .. function:: gcd(*integers)