all: remove the Rinkeby testnet (#27406)

cmd/devp2p/README.md

@@ -44,7 +44,7 @@ set to standard output. The following filters are supported:
 - `-limit <N>` limits the output set to N entries, taking the top N nodes by score
 - `-ip <CIDR>` filters nodes by IP subnet
 - `-min-age <duration>` filters nodes by 'first seen' time
-- `-eth-network <mainnet/rinkeby/goerli/sepolia>` filters nodes by "eth" ENR entry
+- `-eth-network <mainnet/goerli/sepolia>` filters nodes by "eth" ENR entry
 - `-les-server` filters nodes by LES server support
 - `-snap` filters nodes by snap protocol support
 

cmd/devp2p/discv4cmd.go

@@ -337,7 +337,7 @@ func listen(ctx *cli.Context, ln *enode.LocalNode) *net.UDPConn {
 }
 
 func parseBootnodes(ctx *cli.Context) ([]*enode.Node, error) {
-	s := params.RinkebyBootnodes
+	s := params.MainnetBootnodes
 	if ctx.IsSet(bootnodesFlag.Name) {
 		input := ctx.String(bootnodesFlag.Name)
 		if input == "" {

cmd/devp2p/nodesetcmd.go

@@ -229,8 +229,6 @@ func ethFilter(args []string) (nodeFilter, error) {
 	switch args[0] {
 	case "mainnet":
 		filter = forkid.NewStaticFilter(params.MainnetChainConfig, params.MainnetGenesisHash)
-	case "rinkeby":
-		filter = forkid.NewStaticFilter(params.RinkebyChainConfig, params.RinkebyGenesisHash)
 	case "goerli":
 		filter = forkid.NewStaticFilter(params.GoerliChainConfig, params.GoerliGenesisHash)
 	case "sepolia":