bug#53340: [PATCH] python: use xargs -n when uninstalling files

[Karl Berry]

    -       $(am__cd) "$$dir" && $(am__rm_f) $$files; }; \
    +       $(am__cd) "$$dir" && echo $$files | $(am__xargs_n) 40 $(am__rm_f); 
}; \

Looks good to me, FWIW. -k