CLI: Flatten config options output when using the "--json" flag #5220

Signed-off-by: Michael Mayer <michael@photoprism.app>

internal/commands/cluster.go

@@ -4,12 +4,6 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-// JsonFlag enables machine-readable JSON output for cluster commands.
-var JsonFlag = &cli.BoolFlag{
-	Name:  "json",
-	Usage: "print machine-readable JSON",
-}
-
 // OffsetFlag for pagination offset (>= 0).
 var OffsetFlag = &cli.IntFlag{
 	Name:  "offset",