g10: Eliminate the redundant function get_keyblock_byfprint.
* g10/keydb.h (get_keyblock_byfprint): Remove prototype. Replace use of this function with get_pubkey_byfprint. * g10/getkey.c (get_pubkey_byname): Remove function.
- Signed-off-by: Neal H. Walfield <neal@g10code.com>.