removes secborgs (#6733)

The evil will finally be defeated.
This takes security borgs out of the game entirely. They bring pretty much nothing to the table, in terms of either roleplay or positive influence to the station.
Also, combat and syndicate modules now have cuffs.

code/game/objects/items/robot/robot_upgrades.dm

@@ -111,42 +111,6 @@
 	R.speed--
 	return 1
 
-
-/obj/item/borg/upgrade/tasercooler
-	name = "robotic Rapid Taser Cooling Module"
-	desc = "Used to cool a mounted taser, increasing the potential current in it and thus its recharge rate."
-	icon_state = "cyborg_upgrade3"
-	require_module = 1
-
-
-/obj/item/borg/upgrade/tasercooler/action(var/mob/living/silicon/robot/R)
-	if(..()) return 0
-
-	if(!R.module || !(src.type in R.module.supported_upgrades))
-		to_chat(R, "<span class='notice'>Upgrade mounting error!  No suitable hardpoint detected!</span>")
-		to_chat(usr, "<span class='warning'> There's no mounting point for the module!</span>")
-		return 0
-
-	var/obj/item/weapon/gun/energy/taser/mounted/cyborg/T = locate() in R.module
-	if(!T)
-		T = locate() in R.module.contents
-	if(!T)
-		T = locate() in R.module.modules
-	if(!T)
-		to_chat(usr, "This robot has had its taser removed!")
-		return 0
-
-	if(T.recharge_time <= 2)
-		to_chat(R, "<span class='notice'>Maximum cooling achieved for this hardpoint!</span>")
-		to_chat(usr, "<span class='warning'>There's no room for another cooling unit!</span>")
-		return 0
-
-	else
-		T.recharge_time = max(2 , T.recharge_time - 4)
-
-	return 1
-
-
 /obj/item/borg/upgrade/syndicate/
 	name = "illegal equipment module"
 	desc = "Unlocks the hidden, deadlier functions of a robot"