Revert/replaces a lot of #8024 with bleed_rate

Wearing armor reduces the blood loss you incur, no longer are you instantly deleted on blood.  Dripping blood WILL kill you if you don't solve that issue, medical gauze has been tripled as a QoL for medical staff as a result.

code/game/objects/structures/kitchen_spike.dm

@@ -76,8 +76,13 @@
 			L.forceMove(drop_location())
 			L.emote("scream")
 			if(iscarbon(L))
-				var/mob/living/carbon/C = L
-				C.bleed(30)
+				if(ishuman(L))
+					var/mob/living/carbon/human/H = L
+					H.bleed_rate += 10
+					H.bleed(10) //less instant blood damage because you're bleeding, and bleeding is bad news.
+				else
+					var/mob/living/carbon/C = L
+					C.bleed(30)
 			else
 				L.add_splatter_floor()
 			L.adjustBruteLoss(30)