autorelay: remove the default static relay option (#1867)

These relays were decomissioned recently.

options.go

@@ -314,20 +314,6 @@ func StaticRelays(relays []peer.AddrInfo) Option {
 	}
 }
 
-// DefaultStaticRelays configures the static relays to use the known PL-operated relays.
-// Deprecated: pass autorelay.WithDefaultStaticRelays to EnableAutoRelay.
-func DefaultStaticRelays() Option {
-	relays := make([]peer.AddrInfo, 0, len(autorelay.DefaultRelays))
-	for _, addr := range autorelay.DefaultRelays {
-		pi, err := peer.AddrInfoFromString(addr)
-		if err != nil {
-			panic(fmt.Sprintf("failed to initialize default static relays: %s", err))
-		}
-		relays = append(relays, *pi)
-	}
-	return StaticRelays(relays)
-}
-
 // ForceReachabilityPublic overrides automatic reachability detection in the AutoNAT subsystem,
 // forcing the local node to believe it is reachable externally.
 func ForceReachabilityPublic() Option {

p2p/host/autorelay/options.go

@@ -3,7 +3,6 @@ package autorelay
 import (
 	"context"
 	"errors"
-	"fmt"
 	"time"
 
 	"github.com/libp2p/go-libp2p/core/peer"
@@ -49,28 +48,6 @@ var (
 	errStaticRelaysPeerSource    = errors.New("cannot use WithPeerSource and WithStaticRelays")
 )
 
-// DefaultRelays are the known PL-operated v1 relays; will be decommissioned in 2022.
-var DefaultRelays = []string{
-	"/ip4/147.75.80.110/tcp/4001/p2p/QmbFgm5zan8P6eWWmeyfncR5feYEMPbht5b1FW1C37aQ7y",
-	"/ip4/147.75.80.110/udp/4001/quic/p2p/QmbFgm5zan8P6eWWmeyfncR5feYEMPbht5b1FW1C37aQ7y",
-	"/ip4/147.75.195.153/tcp/4001/p2p/QmW9m57aiBDHAkKj9nmFSEn7ZqrcF1fZS4bipsTCHburei",
-	"/ip4/147.75.195.153/udp/4001/quic/p2p/QmW9m57aiBDHAkKj9nmFSEn7ZqrcF1fZS4bipsTCHburei",
-	"/ip4/147.75.70.221/tcp/4001/p2p/Qme8g49gm3q4Acp7xWBKg3nAa9fxZ1YmyDJdyGgoG6LsXh",
-	"/ip4/147.75.70.221/udp/4001/quic/p2p/Qme8g49gm3q4Acp7xWBKg3nAa9fxZ1YmyDJdyGgoG6LsXh",
-}
-
-var defaultStaticRelays []peer.AddrInfo
-
-func init() {
-	for _, s := range DefaultRelays {
-		pi, err := peer.AddrInfoFromString(s)
-		if err != nil {
-			panic(fmt.Sprintf("failed to initialize default static relays: %s", err))
-		}
-		defaultStaticRelays = append(defaultStaticRelays, *pi)
-	}
-}
-
 type Option func(*config) error
 
 func WithStaticRelays(static []peer.AddrInfo) Option {
@@ -90,10 +67,6 @@ func WithStaticRelays(static []peer.AddrInfo) Option {
 	}
 }
 
-func WithDefaultStaticRelays() Option {
-	return WithStaticRelays(defaultStaticRelays)
-}
-
 // WithPeerSource defines a callback for AutoRelay to query for more relay candidates.
 // AutoRelay will call this function when it needs new candidates is connected to the desired number of
 // relays, and it has enough candidates (in case we get disconnected from one of the relays).