Merge pull request tgstation#13485 from MrStonedOne/patch-83

Cleans up some unused code

code/modules/admin/IsBanned.dm

@@ -4,6 +4,10 @@
 	if (!key || !address || !computer_id)
 		log_access("Failed Login (invalid data): [key] [address]-[computer_id]")
 		return list("reason"="invalid login data", "desc"="Error: Could not check ban status, Please try again. Error message: Your computer provided invalid or blank information to the server on connection (byond username, IP, and Computer ID.) Provided information for reference: Username:'[key]' IP:'[address]' Computer ID:'[computer_id]'. (If you continue to get this error, please restart byond or contact byond support.)")
+
+	if (computer_id == 2147783647) //this cid causes stickybans to go haywire 
+		log_access("Failed Login (invalid cid): [key] [address]-[computer_id]")
+		return list("reason"="invalid login data", "desc"="Error: Could not check ban status, Please try again. Error message: Your computer provided an invalid Computer ID.)")
 	var/admin = 0
 	var/ckey = ckey(key)
 	if((ckey in admin_datums) || (ckey in deadmins))