Merge pull request #6215 from rust-lang/republishing_578

adding the reddit link

content/2024-12-18-this-week-in-rust.md

@@ -114,22 +114,19 @@ Every week we highlight some tasks from the Rust community for you to pick and g
 
 Some of these tasks may also have mentors available, visit the task page for more information.
 
-<!-- CFPs go here, use this format: * [project name - title of issue](URL to issue) -->
-<!-- * [ - ]() -->
-<!-- or if none - *No Calls for participation were submitted this week.* -->
+*No Calls for participation were submitted this week.*
 
-If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines] or through a [PR to TWiR](https://github.com/rust-lang/this-week-in-rust) or by reaching out on [X (formerly Twitter)](https://x.com/ThisWeekInRust) or [Mastodon](https://mastodon.social/@thisweekinrust)!
+If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines] or through a [PR to TWiR](https://github.com/rust-lang/this-week-in-rust)!
 
 [guidelines]:https://github.com/rust-lang/this-week-in-rust?tab=readme-ov-file#call-for-participation-guidelines
 
 ### CFP - Events
 
 Are you a new or experienced speaker looking for a place to share something cool? This section highlights events that are being planned and are accepting submissions to join their event as a speaker.
 
-<!-- CFPs go here, use this format: * [**event name**](URL to CFP)| Date CFP closes in YYYY-MM-DD | city,state,country | Date of event in YYYY-MM-DD -->
-<!-- or if none - *No Calls for papers or presentations were submitted this week.* -->
+*No Calls for papers or presentations were submitted this week.*
 
-If you are an event organizer hoping to expand the reach of your event, please submit a link to the website through a [PR to TWiR](https://github.com/rust-lang/this-week-in-rust) or by reaching out on [X (formerly Twitter)](https://x.com/ThisWeekInRust) or [Mastodon](https://mastodon.social/@thisweekinrust)!
+If you are an event organizer hoping to expand the reach of your event, please submit a link to the website through a [PR to TWiR](https://github.com/rust-lang/this-week-in-rust)!
 
 ## Updates from the Rust Project
 
@@ -387,4 +384,4 @@ Thanks to [Jacob Pratt](https://users.rust-lang.org/t/twir-quote-of-the-week/328
 
 *Email list hosting is sponsored by [The Rust Foundation](https://foundation.rust-lang.org/)*
 
-<small>[Discuss on r/rust](REDDIT_LINK_HERE)</small>
+<small>[Discuss on r/rust](https://www.reddit.com/r/rust/comments/1hhlwbf/this_week_in_rust_578_this_week_in_rust/)</small>