agent: Remove unused agent_show_message.
* agent/call-pinentry.c (agent_show_message): Remove. * agent/genkey.c (take_this_one_anyway): Rename from take_this_one_anyway2. Remove a dead path calling agent_show_message. (check_passphrase_constraints): Use take_this_one_anyway.
- Fixes-commit: 2778c6f8f40d73272075ce04c07097f65c94054e
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>