cli/command: remove AddTrustSigningFlags

it was only used internally in a single location, so inline the
code where it's used.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/image/push.go

@@ -57,7 +57,7 @@ func NewPushCommand(dockerCli command.Cli) *cobra.Command {
 	flags := cmd.Flags()
 	flags.BoolVarP(&opts.all, "all-tags", "a", false, "Push all tags of an image to the repository")
 	flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Suppress verbose output")
-	command.AddTrustSigningFlags(flags, &opts.untrusted, dockerCli.ContentTrustEnabled())
+	flags.BoolVar(&opts.untrusted, "disable-content-trust", !dockerCli.ContentTrustEnabled(), "Skip image signing")
 
 	// Don't default to DOCKER_DEFAULT_PLATFORM env variable, always default to
 	// pushing the image as-is. This also avoids forcing the platform selection

cli/command/trust.go

@@ -8,8 +8,3 @@ import (
 func AddTrustVerificationFlags(fs *pflag.FlagSet, v *bool, trusted bool) {
 	fs.BoolVar(v, "disable-content-trust", !trusted, "Skip image verification")
 }
-
-// AddTrustSigningFlags adds "signing" flags to the provided flagset
-func AddTrustSigningFlags(fs *pflag.FlagSet, v *bool, trusted bool) {
-	fs.BoolVar(v, "disable-content-trust", !trusted, "Skip image signing")
-}