Replace all modular HTML spans with defines spans

In total:
- Adds span defines for `reallybig hypnophrase`, `big warning`, `header`
- Fixes a missing apostrophe for hypno stare
- Makes a special exception for cuddling.dm, which uses an irregular span
- Puts the spans file back

modular_splurt/code/game/objects/structures/micro_bricks.dm

@@ -17,12 +17,12 @@
 		return TRUE
 
 	if(istype(item, /obj/item/carpentry/glue))
-		to_chat(user,"<span class='notice'>You glue the bricks to the floor.</span>")
+		to_chat(user,span_notice("You glue the bricks to the floor."))
 		anchored = TRUE
 		return TRUE
 
 	if(istype(item, /obj/item/crowbar))
-		to_chat(user,"<span class='notice'>You pry the bricks from the floor.</span>")
+		to_chat(user,span_notice("You pry the bricks from the floor."))
 		anchored = FALSE
 		return TRUE