[MIRROR] Refactor removing unused defines. (#26998)

* Refactor removing unused defines. (#82115)

Refactors a lot of the unused defines.

Refactors a lot of the unused defines.

Nothing player facing

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Co-authored-by: san7890 <the@san7890.com>

* Oh well. I hope this works fine.

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Co-authored-by: Bilbo367 <163439532+Bilbo367@users.noreply.github.com>
Co-authored-by: san7890 <the@san7890.com>
Co-authored-by: Useroth <37159550+Useroth@users.noreply.github.com>

code/modules/mod/mod_control.dm

@@ -772,7 +772,7 @@
 		to_chat(user, span_warning("It's too dangerous to smear [speed_potion] on [src] while it's active!"))
 		return SPEED_POTION_STOP
 	to_chat(user, span_notice("You slather the red gunk over [src], making it faster."))
-	set_mod_color("#FF0000")
+	set_mod_color(COLOR_RED)
 	slowdown_inactive = 0
 	slowdown_active = 0
 	update_speed()