Removes all \red and \blue's (#2309)

Removes all \red's and \blues in favor of span classes. \red things that were bold were replaced with danger because it's warning but bold.

code/modules/holodeck/HolodeckObjects.dm

@@ -209,7 +209,7 @@
 	if(src.density && istype(I, /obj/item/weapon) && !istype(I, /obj/item/weapon/card))
 		var/aforce = I.force
 		playsound(src.loc, 'sound/effects/Glasshit.ogg', 75, 1)
-		visible_message("\red <B>[src] was hit by [I].</B>")
+		visible_message("<span class='danger'>[src] was hit by [I].</span>")
 		if(I.damtype == BRUTE || I.damtype == BURN)
 			take_damage(aforce)
 		return