Grammar fixes (#18342)

* grammar fixes

cant - can't
removes duplicate the from mobs
the pain in your the -
treads on the lit the lit -
what you can cook with this the -

* should fix the merge conflict

0 to FALSE

* unconflicts

panther will have to be fixed at a later date

code/game/objects/items/weapons/RSF.dm

@@ -35,7 +35,7 @@ RSF
 	..()
 	if(istype(W, /obj/item/rcd_ammo))
 		if((matter + 10) > 30)
-			to_chat(user, "The RSF cant hold any more matter.")
+			to_chat(user, "The RSF can't hold any more matter.")
 			return
 		qdel(W)
 		matter += 10

code/game/objects/items/weapons/cigs.dm

@@ -191,7 +191,7 @@ LIGHTERS ARE IN LIGHTERS.DM
 
 /obj/item/clothing/mask/cigarette/attack_self(mob/user)
 	if(lit)
-		user.visible_message("<span class='notice'>[user] calmly drops and treads on the lit [src], putting it out instantly.</span>")
+		user.visible_message("<span class='notice'>[user] calmly drops and treads on [src], putting it out instantly.</span>")
 		die()
 	return ..()
 

code/game/objects/items/weapons/gift_wrappaper.dm

@@ -37,7 +37,7 @@
 /obj/effect/spresent/relaymove(mob/user as mob)
 	if(user.stat)
 		return
-	to_chat(user, "<span class='notice'>You cant move.</span>")
+	to_chat(user, "<span class='notice'>You can't move.</span>")
 
 /obj/effect/spresent/attackby(obj/item/W as obj, mob/user as mob, params)
 	..()