gpg: Obsolete --no-sig-create-check.
* g10/gpg.c (opts): Make --no-sig-create-check a NOP. * g10/options.h (struct opt): Remove field "no_sig_create_check". * g10/sign.c (do_sign): Do not run the create check for Libgcrypt 1.7.
- Signed-off-by: Werner Koch <wk@gnupg.org>