deprecate cli/command/stack/loader

Functions and types in this package were exported as part of the "compose
on kubernetes" feature, which was deprecated and removed. These functions
are meant for internal use, and will be removed in the next release.

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

Author: thaJeztah

cli/command/stack/loader/loader.go

@@ -22,6 +22,8 @@ import (
 )
 
 // LoadComposefile parse the composefile specified in the cli and returns its Config and version.
+//
+// Deprecated: this function was for internal use and will be removed in the next release.
 func LoadComposefile(dockerCli command.Cli, opts options.Deploy) (*composetypes.Config, error) {
 	configDetails, err := GetConfigDetails(opts.Composefiles, dockerCli.In())
 	if err != nil {
@@ -84,6 +86,8 @@ func propertyWarnings(properties map[string]string) string {
 }
 
 // GetConfigDetails parse the composefiles specified in the cli and returns their ConfigDetails
+//
+// Deprecated: this function was for internal use and will be removed in the next release.
 func GetConfigDetails(composefiles []string, stdin io.Reader) (composetypes.ConfigDetails, error) {
 	var details composetypes.ConfigDetails