Simplify allowJoin()

leaderboard.lua

@@ -297,16 +297,13 @@ end
 
 function allowJoin(v)
 	if not cv_interrupt.value then
-		local y
 		if v then
-			y = "yes"
+			COM_BufInsertText(server, "allowteamchange Yes")
 			hud.enable("freeplay")
 		else
-			y = "no"
+			COM_BufInsertText(server, "allowteamchange No")
 			hud.disable("freeplay")
 		end
-
-		COM_BufInsertText(server, "allowteamchange " + y)
 	end
 end