Remove Discord and func_msgboard links from WIKI

Removed community support links from additional resources section.

Author: themuffinator

WIKI.md

@@ -149,8 +149,6 @@ vmt-light -lightgrid -world_units_per_luxel 8 mymap.bsp
 ## 🛰️ Additional Resources
 
 - **Issue Tracker**: Report bugs and request features on GitHub
-- **Discord**: Join the Quake Mapping Discord for community support
-- **func_msgboard**: Classic Quake mapping community forum
 
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