[MIRROR] Various grammar fixes (#2842)

* Various grammar fixes

* Update mecha_parts.dm

* Update crates.dm

* Update ghost_role_spawners.dm

* Update paper_premade.dm

* Update oldstation.dm

code/modules/mining/equipment/kinetic_crusher.dm

@@ -292,7 +292,7 @@
 
 //ash drake
 /obj/item/crusher_trophy/tail_spike
-	desc = "A spike taken from a ash drake's tail. Suitable as a trophy for a kinetic crusher."
+	desc = "A spike taken from an ash drake's tail. Suitable as a trophy for a kinetic crusher."
 	denied_type = /obj/item/crusher_trophy/tail_spike
 	bonus_value = 5
 

code/modules/mining/lavaland/necropolis_chests.dm

@@ -336,7 +336,7 @@
 	if(cooldown < world.time)
 		SSblackbox.add_details("immortality_talisman","Activated") // usage
 		cooldown = world.time + 600
-		user.visible_message("<span class='danger'>[user] vanishes from reality, leaving a a hole in [user.p_their()] place!</span>")
+		user.visible_message("<span class='danger'>[user] vanishes from reality, leaving a hole in [user.p_their()] place!</span>")
 		var/obj/effect/immortality_talisman/Z = new(get_turf(src.loc))
 		Z.name = "hole in reality"
 		Z.desc = "It's shaped an awful lot like [user.name]."