chainregistry+lnd: remove unused cleanUp variable

lnd.go

@@ -278,7 +278,7 @@ func lndMain() error {
 	// With the information parsed from the configuration, create valid
 	// instances of the pertinent interfaces required to operate the
 	// Lightning Network Daemon.
-	activeChainControl, chainCleanUp, err := newChainControlFromConfig(
+	activeChainControl, err := newChainControlFromConfig(
 		cfg, chanDB, privateWalletPw, publicWalletPw,
 		walletInitParams.Birthday, walletInitParams.RecoveryWindow,
 		walletInitParams.Wallet, neutrinoCS,
@@ -287,9 +287,6 @@ func lndMain() error {
 		fmt.Printf("unable to create chain control: %v\n", err)
 		return err
 	}
-	if chainCleanUp != nil {
-		defer chainCleanUp()
-	}
 
 	// Finally before we start the server, we'll register the "holy
 	// trinity" of interface for our current "home chain" with the active