Refactored gibbing and slipping for carbon mobs, entirely removed mutantrace var. This commit is only partial, following commits are contiguous to it (lol this is atomic right)

code/modules/projectiles/gun.dm

@@ -53,8 +53,8 @@
 /obj/item/weapon/gun/afterattack(atom/A as mob|obj|turf|area, mob/living/user as mob|obj, flag, params)
 	if(flag)	return //It's adjacent, is the user, or is on the user's person
 	if(istype(target, /obj/machinery/recharger) && istype(src, /obj/item/weapon/gun/energy))	return//Shouldnt flag take care of this?
-	
-	
+
+
 	//decide whether to aim or shoot normally
 	var/aiming = 0
 	if(user && user.client && !(A in target))
@@ -62,10 +62,10 @@
 		//If help intent is on and we have clicked on an eligible target, switch to aim mode automatically
 		if(user.a_intent == "help" && isliving(A) && !C.gun_mode)
 			C.ToggleGunMode()
-		
+
 		if(C.gun_mode)
 			aiming = PreFire(A,user,params) //They're using the new gun system, locate what they're aiming at.
-	
+
 	if (!aiming)
 		if(user && user.a_intent == "help") //regardless of what happens, refuse to shoot if help intent is on
 			user << "\red You refrain from firing your [src] as your intent is set to help."
@@ -92,11 +92,7 @@
 	if(istype(user, /mob/living))
 		var/mob/living/M = user
 		if (HULK in M.mutations)
-			M << "\red Your meaty finger is much too large for the trigger guard!"
-			return
-	if(ishuman(user))
-		if(user.dna && user.dna.mutantrace == "adamantine")
-			user << "\red Your metal fingers don't fit in the trigger guard!"
+			M << "\red Your fingers are much too large for the trigger guard!"
 			return
 
 	add_fingerprint(user)

code/modules/projectiles/projectile/special.dm

@@ -80,7 +80,6 @@
 
 	on_hit(var/atom/target, var/blocked = 0)
 		var/mob/living/M = target
-//		if(ishuman(target) && M.dna && M.dna.mutantrace == "plant") //Plantmen possibly get mutated and damaged by the rays.
 		if(ishuman(target))
 			var/mob/living/carbon/human/H = M
 			if((H.species.flags & IS_PLANT) && (M.nutrition < 500))
@@ -120,7 +119,6 @@
 
 	on_hit(var/atom/target, var/blocked = 0)
 		var/mob/M = target
-//		if(ishuman(target) && M.dna && M.dna.mutantrace == "plant") //These rays make plantmen fat.
 		if(ishuman(target)) //These rays make plantmen fat.
 			var/mob/living/carbon/human/H = M
 			if((H.species.flags & IS_PLANT) && (M.nutrition < 500))