Remove second paragraph of just-added list item

Author: mightyiam

source/recommended-reading.md

@@ -24,8 +24,6 @@
 
 - [What You Need to Know About Lazy Evaluation in Nix, Nixcademy](https://nixcademy.com/posts/what-you-need-to-know-about-laziness/) (Jacek Galowicz, 2024)
 
-  Understanding Nixpkgs overlays and the module system requires an understanding of lazy evaluation and fixed-point recursion. This guide explains all these, in order.
-
 ## Other articles
 
 - [Nix Pills](https://nixos.org/nixos/nix-pills/index.html)