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/_onclick/item_attack.dm

@@ -126,8 +126,16 @@
 				I.add_mob_blood(src)
 				var/turf/location = get_turf(src)
 				if(iscarbon(src))
-					var/mob/living/carbon/C = src
-					C.bleed(totitemdamage)
+					if(ishuman(src))
+						var/mob/living/carbon/human/H = src
+						var/armorsave = H.getarmor(H, "melee")
+						if(armorsave >= 30) // armor is useful again!
+							H.bleed_rate += round((totitemdamage * 0.15))	// internal bleeding, took it on the joint, what have you.
+						else
+							H.bleed_rate += round((totitemdamage * 0.50))	//it's not a 1:1 deletion of blood, but it's worrysome enough that you should get treated asap
+					else
+						var/mob/living/carbon/C = src
+						C.bleed(totitemdamage)
 				else
 					add_splatter_floor(location)
 				if(totitemdamage >= 10 && get_dist(user, src) <= 1)	//people with TK won't get smeared with blood