cmd: fix megacheck warnings (#14912)

* cmd: fix megacheck warnings

* cmd: revert time.Until changes, keep readFloat

cmd/evm/disasm.go

@@ -46,8 +46,5 @@ func disasmCmd(ctx *cli.Context) error {
 
 	code := strings.TrimSpace(string(in[:]))
 	fmt.Printf("%v\n", code)
-	if err = asm.PrintDisassembled(code); err != nil {
-		return err
-	}
-	return nil
+	return asm.PrintDisassembled(code)
 }

cmd/puppeth/ssh.go

@@ -122,7 +122,7 @@ func dial(server string, pubkey []byte) (*sshClient, error) {
 			}
 		}
 		// If a public key exists for this SSH server, check that it matches
-		if bytes.Compare(pubkey, key.Marshal()) == 0 {
+		if bytes.Equal(pubkey, key.Marshal()) {
 			return nil
 		}
 		// We have a mismatch, forbid connecting

cmd/puppeth/wizard.go

@@ -160,6 +160,7 @@ func (w *wizard) readDefaultInt(def int) int {
 	}
 }
 
+/*
 // readFloat reads a single line from stdin, trimming if from spaces, enforcing it
 // to parse into a float.
 func (w *wizard) readFloat() float64 {
@@ -180,6 +181,7 @@ func (w *wizard) readFloat() float64 {
 		return val
 	}
 }
+*/
 
 // readDefaultFloat reads a single line from stdin, trimming if from spaces, enforcing
 // it to parse into a float. If an empty line is entered, the default value is returned.

cmd/puppeth/wizard_network.go

@@ -71,22 +71,20 @@ func (w *wizard) makeServer() string {
 	fmt.Println()
 	fmt.Println("Please enter remote server's address:")
 
-	for {
-		// Read and fial the server to ensure docker is present
-		input := w.readString()
+	// Read and fial the server to ensure docker is present
+	input := w.readString()
 
-		client, err := dial(input, nil)
-		if err != nil {
-			log.Error("Server not ready for puppeth", "err", err)
-			return ""
-		}
-		// All checks passed, start tracking the server
-		w.servers[input] = client
-		w.conf.Servers[input] = client.pubkey
-		w.conf.flush()
-
-		return input
+	client, err := dial(input, nil)
+	if err != nil {
+		log.Error("Server not ready for puppeth", "err", err)
+		return ""
 	}
+	// All checks passed, start tracking the server
+	w.servers[input] = client
+	w.conf.Servers[input] = client.pubkey
+	w.conf.flush()
+
+	return input
 }
 
 // selectServer lists the user all the currnetly known servers to choose from,