Update discord link. Fixes #137

Author: dansup

project/community.md

@@ -6,13 +6,12 @@ We maintain a public Discord and Matrix channel.
 
 > Before interacting, please read through the [Code Of Conduct](https://github.com/pixelfed/pixelfed/blob/dev/CODE_OF_CONDUCT.md).
 
-- [Discord](https://discord.gg/MHvDHaSzmc)
+- [Discord](https://discord.gg/VDhM32hbUK)
 - [Matrix](https://matrix.to/#/#pixeldev:matrix.org)
 
 ## Social media
 
 We maintain the following official social media accounts:
 
 - [@pixelfed@pixelfed.social](https://pixelfed.social/pixelfed)
-- [@pixelfed@mastodon.social](https://mastodon.social/@pixelfed)
-- [x.com/Pixelfed](https://x.com/Pixelfed)
+- [@pixelfed@mastodon.social](https://mastodon.social/@pixelfed)