refactor: use errors.New to replace fmt.Errorf with no parameters

Signed-off-by: LesCyber <andi4cing@gmail.com>

Author: LesCyber

auditevents/main.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -94,7 +95,7 @@ func run(host string) error {
 			protocolID := event.BlockchainEvent.ProtocolID
 			fmt.Printf("%-10d %s\n", lastSequence, protocolID)
 			if protocolID <= lastProtocolID {
-				return fmt.Errorf("out of order events detected")
+				return errors.New("out of order events detected")
 			}
 			lastProtocolID = protocolID
 			validated++

ffconfig/main.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"os"
 
@@ -29,7 +30,7 @@ var rootCmd = &cobra.Command{
 	Short: "FireFly configuration tool",
 	Long:  "Tool for managing and migrating config files for Hyperledger FireFly",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		return fmt.Errorf("a command is required")
+		return errors.New("a command is required")
 	},
 }