made peripherals a static class

src/kernel/net/Net.hx

@@ -32,7 +32,7 @@ class Net {
 
 	@:allow(kernel.Init)
 	private function new() {
-		this.interfaces = [for (e in Peripheral.instance.getAllModems()) e ]; // TODO: is this the way to do it?
+		this.interfaces = [for (e in Peripheral.getAllModems()) e ]; // TODO: is this the way to do it?
 		this.interfaces.push(Loopback.instance);
 
 		for (interf in interfaces){
@@ -280,7 +280,7 @@ class Net {
 			data: null,
 		};
 
-		for (modem in Peripheral.instance.getAllModems()) {
+		for (modem in Peripheral.getAllModems()) {
 			if (!modem.isWireless()) continue;
 			modem.send(Net.BRODCAST_PORT, Net.instance.networkID, pack);
 		}