Remove classpert, revert liballeg

README.md

@@ -1327,7 +1327,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 See also [Are we game yet?](https://arewegameyet.rs)
 * Allegro
-  * [SiegeLord/RustAllegro](https://github.com/SiegeLord/RustAllegro) — [Allegro 5](https://liballeg.github.io/) bindings
+  * [SiegeLord/RustAllegro](https://github.com/SiegeLord/RustAllegro) — [Allegro 5](https://liballeg.org/) bindings
 * [Awesome Quads](https://github.com/ozkriff/awesome-quads) — A curated list of links to miniquad/macroquad-related code & resources
 * [Awesome wgpu](https://github.com/rofrol/awesome-wgpu) — A curated list of wgpu code and resources
 * bracket-lib (previously RLTK)
@@ -1803,7 +1803,6 @@ A registry allows you to publish your Rust libraries as crate packages, to share
   * [Rust in Action](https://www.manning.com/books/rust-in-action) — A hands-on guide to systems programming with Rust by [Tim McNamara](https://github.com/timClicks) (paid)
   * [Rust in Motion](https://www.manning.com/livevideo/rust-in-motion?a_aid=cnichols&a_bid=6a993c2e) — A video series by [Carol Nichols](https://github.com/carols10cents) and [Jake Goulding](https://github.com/shepmaster) (paid)
   * [Rust Language Cheat Sheet](https://cheats.rs/)
-  * [Rust Online Courses at Classpert](https://classpert.com/search/rust) — A list of Rust online courses (paid) from Classpert Online Course Search
   * [Rust Tiếng Việt](https://rust-tieng-viet.github.io/) - Learn Rust in Vietnamese.
   * [rust-how-do-i-start](https://github.com/jondot/rust-how-do-i-start) - A repo dedicated to answering the question: "So, Rust. How do I _start_?". A beginner only hand-picked resources and learning track.
   * [rust-learning](https://github.com/ctjhoa/rust-learning) — A collection of useful resources to learn Rust