remove workaround to load config in root.Before() (#83)

see: https://github.com/urfave/cli/issues/2348

cmd/api.go

@@ -72,7 +72,7 @@ func ApiShow(conf *cfg.Config) *cli.Command {
 		},
 
 		ShellComplete: func(ctx context.Context, cmd *cli.Command) {
-			complete(cmd, Capi)
+			complete(conf, cmd, Capi)
 		},
 	}
 }