chore: lint: fix lint errors with new linting config

Ref: https://github.com/filecoin-project/lotus/issues/11967

cli/backup.go

@@ -24,7 +24,7 @@ type BackupApiFn func(ctx *cli.Context) (BackupAPI, jsonrpc.ClientCloser, error)
 
 func BackupCmd(repoFlag string, rt repo.RepoType, getApi BackupApiFn) *cli.Command {
 	var offlineBackup = func(cctx *cli.Context) error {
-		logging.SetLogLevel("badger", "ERROR") // nolint:errcheck
+		_ = logging.SetLogLevel("badger", "ERROR")
 
 		repoPath := cctx.String(repoFlag)
 		r, err := repo.NewFS(repoPath)

cli/client.go

@@ -574,7 +574,7 @@ func interactiveDeal(cctx *cli.Context) error {
 	cs := readline.NewCancelableStdin(afmt.Stdin)
 	go func() {
 		<-ctx.Done()
-		cs.Close() // nolint:errcheck
+		_ = cs.Close()
 	}()
 
 	rl := bufio.NewReader(cs)
@@ -2327,7 +2327,7 @@ func OutputDataTransferChannels(out io.Writer, channels []lapi.DataTransferChann
 	for _, channel := range sendingChannels {
 		w.Write(toChannelOutput("Sending To", channel, verbose))
 	}
-	w.Flush(out) //nolint:errcheck
+	_ = w.Flush(out)
 
 	fmt.Fprintf(out, "\nReceiving Channels\n\n")
 	w = tablewriter.New(tablewriter.Col("ID"),
@@ -2341,7 +2341,7 @@ func OutputDataTransferChannels(out io.Writer, channels []lapi.DataTransferChann
 	for _, channel := range receivingChannels {
 		w.Write(toChannelOutput("Receiving From", channel, verbose))
 	}
-	w.Flush(out) //nolint:errcheck
+	_ = w.Flush(out)
 }
 
 func channelStatusString(status datatransfer.Status) string {

cli/info.go

@@ -131,9 +131,8 @@ func infoCmdAct(cctx *cli.Context) error {
 		if err != nil {
 			if strings.Contains(err.Error(), "actor not found") {
 				continue
-			} else {
-				return err
 			}
+			return err
 		}
 		mbLockedSum = big.Add(mbLockedSum, mbal.Locked)
 		mbAvailableSum = big.Add(mbAvailableSum, mbal.Escrow)

cli/init_test.go

@@ -5,5 +5,5 @@ import (
 )
 
 func init() {
-	logging.SetLogLevel("watchdog", "ERROR")
+	_ = logging.SetLogLevel("watchdog", "ERROR")
 }

cli/sending_ui.go

@@ -122,7 +122,7 @@ func printChecks(printer io.Writer, checkGroups [][]api.MessageCheckStatus, prot
 func askUser(printer io.Writer, q string, def bool) bool {
 	var resp string
 	fmt.Fprint(printer, q)
-	fmt.Scanln(&resp)
+	_, _ = fmt.Scanln(&resp)
 	resp = strings.ToLower(resp)
 	if len(resp) == 0 {
 		return def