Change a bunch of del's in pipecode to qdel's

code/ATMOSPHERICS/components/binary_devices/binary_atmos_base.dm

@@ -129,11 +129,11 @@
 
 /obj/machinery/atmospherics/binary/disconnect(obj/machinery/atmospherics/reference)
 	if(reference==node1)
-		del(network1)
+		qdel(network1)
 		node1 = null
 
 	else if(reference==node2)
-		del(network2)
+		qdel(network2)
 		node2 = null
 
 	update_icon()

code/ATMOSPHERICS/components/trinary_devices/trinary_base.dm

@@ -153,15 +153,15 @@
 
 /obj/machinery/atmospherics/trinary/disconnect(obj/machinery/atmospherics/reference)
 	if(reference==node1)
-		del(network1)
+		qdel(network1)
 		node1 = null
 
 	else if(reference==node2)
-		del(network2)
+		qdel(network2)
 		node2 = null
 
 	else if(reference==node3)
-		del(network3)
+		qdel(network3)
 		node3 = null
 
 	update_underlays()

code/ATMOSPHERICS/components/unary/heat_exchanger.dm

@@ -86,4 +86,4 @@
 			"\blue You have unfastened \the [src].", \
 			"You hear ratchet.")
 		new /obj/item/pipe(loc, make_from=src)
-		del(src)
+		qdel(src)

code/ATMOSPHERICS/components/unary/thermal_plate.dm

@@ -89,7 +89,7 @@
 			"\blue You have unfastened \the [src].", \
 			"You hear ratchet.")
 		new /obj/item/pipe(loc, make_from=src)
-		del(src)
+		qdel(src)
 
 /obj/machinery/atmospherics/unary/thermal_plate/proc/radiate()
 	var/internal_transfer_moles = 0.25 * air_contents.total_moles()

code/ATMOSPHERICS/components/unary/unary_base.dm

@@ -87,7 +87,7 @@
 
 /obj/machinery/atmospherics/unary/disconnect(obj/machinery/atmospherics/reference)
 	if(reference==node)
-		del(network)
+		qdel(network)
 		node = null
 
 	update_icon()