fix: update discord usernames to new format

* fix: update usernames in discord-bot.md

* update usernames in documentation.md

Author: Valastiri

docs/dev-corner/development-projects/discord-bot.md

@@ -4,9 +4,9 @@ This page details the available bot commands on the FlyByWire Simulations Discor
 
 For information on how to contribute to bot development, visit the Discord bot repository or contact the following users on Discord for assistance:
 
-- BenW#8484
-- oim#0001
-- straks#7240
+- benw8484
+- oim
+- straks
 
 [:fontawesome-brands-github:{: .github } **Discord Bot**](https://github.com/flybywiresim/discord-bot){ .md-button target=new}
 

docs/dev-corner/development-projects/documentation.md

@@ -18,8 +18,8 @@ If you have questions or suggestions, or if you want to contribute to the FlyByW
 
 [:fontawesome-brands-discord:{: .discord } - **Discord Link**](https://discord.gg/flybywire){target=new}
 
-- Valastiri#8902
-- Cdr_Maverick#6475
+- valastiri
+- cdr_maverick
 - Slein#8982
 
 ### Required Tools