Remove drop_item, drop_item_v, put_in_hands_or_del

code/modules/atmospherics/machinery/components/unary_devices/cryo.dm

@@ -276,10 +276,9 @@
 		if(beaker)
 			to_chat(user, "<span class='warning'>A beaker is already loaded into [src]!</span>")
 			return
-		if(!user.drop_item())
+		if(!user.transferItemToLoc(I, src))
 			return
 		beaker = I
-		I.loc = src
 		user.visible_message("[user] places [I] in [src].", \
 							"<span class='notice'>You place [I] in [src].</span>")
 		var/reagentlist = pretty_string_from_reagent_list(I.reagents.reagent_list)

code/modules/atmospherics/machinery/portable/portable_atmospherics.dm

@@ -80,9 +80,8 @@
 	if(istype(W, /obj/item/tank))
 		if(!(stat & BROKEN))
 			var/obj/item/tank/T = W
-			if(holding || !user.drop_item())
+			if(holding || !user.transferItemToLoc(T, src))
 				return
-			T.loc = src
 			holding = T
 			update_icon()
 	else if(istype(W, /obj/item/wrench))