remove handler management

pkg/register/command.go

@@ -1,27 +1,18 @@
 package register
 
 import (
-	"context"
-
 	"github.com/micro/cli"
-	"github.com/oklog/run"
 	"github.com/owncloud/ocis/pkg/config"
 )
 
 var (
 	// Commands defines the slice of commands.
 	Commands = []Command{}
-
-	// Handlers defines the slice of handlers.
-	Handlers = []Handler{}
 )
 
 // Command defines the register command.
 type Command func(*config.Config) cli.Command
 
-// Handler defines the register handler.
-type Handler func(context.Context, context.CancelFunc, *run.Group, *config.Config) error
-
 // AddCommand appends a command to Commands.
 func AddCommand(cmd Command) {
 	Commands = append(
@@ -29,11 +20,3 @@ func AddCommand(cmd Command) {
 		cmd,
 	)
 }
-
-// AddHandler appends a handler to Handlers.
-func AddHandler(hdl Handler) {
-	Handlers = append(
-		Handlers,
-		hdl,
-	)
-}