Penlights are universally pens (#19498)

* You're a pen, you're a light

* Update code/__DEFINES/is_helpers.dm

Co-authored-by: SteelSlayer <42044220+SteelSlayer@users.noreply.github.com>

* Might as well remove them

Co-authored-by: SteelSlayer <42044220+SteelSlayer@users.noreply.github.com>

code/game/objects/items/devices/flashlight.dm

@@ -89,13 +89,14 @@
 
 /obj/item/flashlight/pen
 	name = "penlight"
-	desc = "A pen-sized light, used by medical staff."
+	desc = "A pen, and a light. Used by medical staff."
 	icon_state = "penlight"
 	item_state = ""
 	w_class = WEIGHT_CLASS_TINY
 	slot_flags = SLOT_BELT | SLOT_EARS
 	flags = CONDUCT
 	brightness_on = 2
+	var/colour = "blue" // Ink color
 
 /obj/item/flashlight/seclite
 	name = "seclite"

code/game/objects/items/weapons/storage/firstaid.dm

@@ -297,7 +297,7 @@
 	return ..()
 
 /obj/item/storage/pill_bottle/attackby(obj/item/I, mob/user, params)
-	if(is_pen(I) || istype(I, /obj/item/flashlight/pen))
+	if(is_pen(I))
 		rename_interactive(user, I)
 	else
 		return ..()