lncli: remove chain option from profile

cmd/lncli/main.go

@@ -278,16 +278,6 @@ func contextWithMetadata(ctx context.Context,
 // extractPathArgs parses the TLS certificate and macaroon paths from the
 // command.
 func extractPathArgs(ctx *cli.Context) (string, string, error) {
-	// We'll start off by parsing the active chain and network. These are
-	// needed to determine the correct path to the macaroon when not
-	// specified.
-	chain := strings.ToLower(ctx.GlobalString("chain"))
-	switch chain {
-	case "bitcoin", "litecoin":
-	default:
-		return "", "", fmt.Errorf("unknown chain: %v", chain)
-	}
-
 	network := strings.ToLower(ctx.GlobalString("network"))
 	switch network {
 	case "mainnet", "testnet", "regtest", "simnet", "signet":
@@ -311,7 +301,7 @@ func extractPathArgs(ctx *cli.Context) (string, string, error) {
 		// lnddir/data/chain/<chain>/<network> in order to fetch the
 		// macaroon that we need.
 		macPath = filepath.Join(
-			lndDir, defaultDataDir, defaultChainSubDir, chain,
+			lndDir, defaultDataDir, defaultChainSubDir, "bitcoin",
 			network, defaultMacaroonFilename,
 		)
 	}

cmd/lncli/profile.go

@@ -27,7 +27,6 @@ type profileEntry struct {
 	Name        string            `json:"name"`
 	RPCServer   string            `json:"rpcserver"`
 	LndDir      string            `json:"lnddir"`
-	Chain       string            `json:"chain"`
 	Network     string            `json:"network"`
 	NoMacaroons bool              `json:"no-macaroons,omitempty"` // nolint:tagliatelle
 	TLSCert     string            `json:"tlscert"`
@@ -153,7 +152,6 @@ func profileFromContext(ctx *cli.Context, store, skipMacaroons bool) (
 		LndDir: lncfg.CleanAndExpandPath(
 			ctx.GlobalString("lnddir"),
 		),
-		Chain:       ctx.GlobalString("chain"),
 		Network:     ctx.GlobalString("network"),
 		NoMacaroons: ctx.GlobalBool("no-macaroons"),
 		TLSCert:     string(tlsCert),