Merge pull request #10329 from Ghommie/Ghommie-cit490

Ports reagents id removal and typepath usage.

code/game/objects/items/holy_weapons.dm

@@ -789,7 +789,7 @@
 
 	praying = TRUE
 	if(do_after(user, 20, target = M))
-		M.reagents?.add_reagent("holywater", 5)
+		M.reagents?.add_reagent(/datum/reagent/water/holywater, 5)
 		to_chat(M, "<span class='notice'>[user]'s prayer to [deity_name] has eased your pain!</span>")
 		M.adjustToxLoss(-5, TRUE, TRUE)
 		M.adjustOxyLoss(-5)