[v3] delete copy ctor and assignment in locale::facet, locale::id

[Paolo Carlini]

Chris Fairles wrote:
> Agreed. Just something I had sitting in my local copy from quite a
> while ago when I was going through the std looking for deleted
> copy/assign changes. I hadn't submitted it for basically the reasons
> you described.
>   
Excellent. Don't delete the patchlet, will be useful, at some point ;)

Paolo.