Revert "EVEREST-488 Added json output"

This reverts commit 57cb04d.

commands/version.go

@@ -9,24 +9,11 @@ import (
 	"github.com/percona/percona-everest-cli/pkg/version"
 )
 
-func newVersionCmd(l *zap.SugaredLogger) *cobra.Command {
+func newVersionCmd(_ *zap.SugaredLogger) *cobra.Command {
 	return &cobra.Command{
 		Use: "version",
 		Run: func(cmd *cobra.Command, args []string) {
-			outputJSON, err := cmd.Flags().GetBool("json")
-			if err != nil {
-				l.Errorf("could not parse json global flag. Error: %s", err)
-				return
-			}
-			if !outputJSON {
-				fmt.Println(version.FullVersionInfo()) //nolint:forbidigo
-			}
-			version, err := version.FullVersionJSON()
-			if err != nil {
-				l.Errorf("could not print JSON. Error: %s", err)
-			}
-			fmt.Println(version) //nolint:forbidigo
-
+			fmt.Println(version.FullVersionInfo()) //nolint:forbidigo
 		},
 	}
 }

pkg/version/version.go

@@ -18,7 +18,6 @@
 package version
 
 import (
-	"encoding/json"
 	"fmt"
 	"strings"
 )
@@ -60,14 +59,3 @@ func FullVersionInfo() string {
 	}
 	return strings.Join(out, "\n")
 }
-
-// FullVersionJSON returns version info as JSON
-func FullVersionJSON() (string, error) {
-	res := map[string]string{
-		"projectName": ProjectName,
-		"version":     Version,
-		"fullCommit":  FullCommit,
-	}
-	data, err := json.Marshal(res)
-	return string(data), err
-}