Fix dupe link, remove extra lines

draft/2024-05-15-this-week-in-rust.md

@@ -41,11 +41,8 @@ and just ask the editors to select the category.
 * [Cushy v0.3: New widgets, offscreen capture, Plotters and Tokio integrations, and more](https://ecton.dev/cushy-v0-3/)
 * [bbolt-rs v1.3.8](https://github.com/ambaxter/bbolt-rs/blob/v1.3.8/docs/announcement.md)
 * [Maelstrom: A Hermetic, Clustered Test Runner for Rust (and It’s Fast)](https://www.reddit.com/r/rust/comments/1chrshl/maelstrom_a_hermetic_clustered_test_runner_for/)
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 * [r3bl_cmdr version v0.0.12 released](https://github.com/r3bl-org/r3bl-open-core/blob/main/CHANGELOG.md#v0012-2024-05-12)
 
-* [Cushy v0.3 (GUI crate): New widgets, offscreen capture, Plotters and Tokio integrations, and more](https://ecton.dev/cushy-v0-3/)
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 ### Observations/Thoughts
 * [Long-term Rust Project Maintenance](https://corrode.dev/blog/long-term-rust-maintenance/)
 * [Methods Should Be Object Safe](https://nora.codes/post/methods-should-be-object-safe/)
@@ -59,7 +56,6 @@ and just ask the editors to select the category.
 * [Long-running backend async tasks in tauri v2](https://sneakycrow.dev/blog/2024-05-12-running-async-tasks-in-tauri-v2)
 * [Blazingly Fast Linked Lists](https://dygalo.dev/blog/blazingly-fast-linked-lists/)
 * [Existential types in Rust](https://lwn.net/Articles/970186/)
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 * [Error Handling for Large Rust Projects - A Deep Dive into GreptimeDB's Practices](https://greptime.com/blogs/2024-05-07-error-rust)
 
 ### Rust Walkthroughs