Merge pull request #2541 from dlang/revert-2539-discord-link

Revert "Add Discord join link to the community section"
merged-on-behalf-of: Vladimir Panteleev <CyberShadow@users.noreply.github.com>

Author: dlang-bot

dlang.org.ddoc

@@ -260,7 +260,6 @@ $(SUBMENU_MANUAL
     $(SUBMENU_LINK $(ROOT_DIR)calendar.html, Calendar)
     $(SUBMENU_LINK_DIVIDER https://forum.dlang.org, Forums)
     $(SUBMENU_LINK irc://irc.freenode.net/d, IRC)
-    $(SUBMENU_LINK https://discord.gg/fva44g2, Discord)
     $(SUBMENU_LINK https://wiki.dlang.org, Wiki)
     $(SUBMENU_LINK_DIVIDER https://github.com/dlang, GitHub)
     $(SUBMENU_LINK $(ROOT_DIR)bugstats.html, Issues)