-remved p_peer is null error messages, fixes #1150

core/io/packet_peer.cpp

@@ -243,7 +243,7 @@ int PacketPeerStream::get_max_packet_size() const {
 
 void PacketPeerStream::set_stream_peer(const Ref<StreamPeer> &p_peer) {
 
-	ERR_FAIL_COND(p_peer.is_null());
+	//ERR_FAIL_COND(p_peer.is_null());
 
 	if (p_peer.ptr() != peer.ptr()) {
 		ring_buffer.advance_read(ring_buffer.data_left()); // reset the ring buffer