python: Remove unneeded stats copy
python: Remove unneeded stats copy

* lang/python/setup.py.in: errors.i, gpgme.h are generated and always
newer than the original.

Signed-off-by: Alon Bar-Lev <bb308b7fcc6eb1364576b94f9dfcd9006c6c579d@gmail.com>

gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme