Block additional language in sitemap

[Mallard2]

I looking for solve , my problem.
I have at my shop two language :
- DE is default
- EN is additional

Now , I would like to block display in sitemap additional language EN , because is not ready , and it make duplicate content in SEO. I can disallow in robot.txt, but , google will be again scream ,there are some website block for robots.

Best solve it will be prepared different sitemap , one per language. There is any mod ? can be payable ? Now I have PS 1.4.4.1 , so it should be worke it.

 

 

In fututre I would like make multishop and each different domain:

.DE , with language:

- DE default indexed per google

- EN  blocked at google

 

.FR , with language:

- FR default indexed per google

- EN  blocked at google

 

.COM , with language:

- EN default indexed per google

- FR  blocked at google

 

I have to block second language because I will be have that same content in addition domain shop.

 

Regards