Consistent \the usage.

Plus a bit extra in `/obj/item/lightstick/attack_hand()` because it's right there.

code/game/objects/items/explosives/plastic.dm

@@ -184,7 +184,7 @@
 
 	//vehicle interior stuff checks
 	if(SSinterior.in_interior(target))
-		to_chat(user, SPAN_WARNING("It's too cramped in here to deploy \the [src]."))
+		to_chat(user, SPAN_WARNING("It's too cramped in here to deploy [src]."))
 		return FALSE
 
 	if(istype(target, /obj/effect) || istype(target, /obj/structure/machinery))
@@ -195,7 +195,7 @@
 	if(istype(target, /turf/closed/wall))
 		var/turf/closed/wall/W = target
 		if(W.hull)
-			to_chat(user, SPAN_WARNING("You are unable to stick \the [src] to [W]!"))
+			to_chat(user, SPAN_WARNING("You are unable to stick [src] to [W]!"))
 			return FALSE
 
 	if(istype(target, /obj/structure/window))

code/game/objects/items/lightstick.dm

@@ -46,17 +46,17 @@
 	if(!anchored)//If planted
 		return
 
-	to_chat(user, "You start pulling out \the [src].")
-	if(!do_after(user,20, INTERRUPT_ALL|BEHAVIOR_IMMOBILE, BUSY_ICON_BUILD))
+	to_chat(user, "You start pulling out [src].")
+	if(!do_after(user, 2 SECONDS, INTERRUPT_ALL|BEHAVIOR_IMMOBILE, BUSY_ICON_BUILD))
 		return
 
 	anchored = FALSE
-	user.visible_message("[user.name] removes \the [src] from the ground.","You remove [src] from the ground.")
+	user.visible_message("[user.name] removes [src] from the ground.", "You remove [src] from the ground.")
 	icon_state = "lightstick_[s_color][anchored]"
 	set_light(0)
 	pixel_x = 0
 	pixel_y = 0
-	playsound(user, 'sound/weapons/Genhit.ogg', 25, 1)
+	playsound(user, 'sound/weapons/Genhit.ogg', 25, TRUE)
 
 //Red
 /obj/item/lightstick/planted