package/bitcoin: drop boost program-options
boost program-options is not needed since version 0.17.0 and
https://github.com/bitcoin/bitcoin/commit/f447a0a7079619f0d650084df192781cca9fd826
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 2185877a805a2a1c6821b49ac74ee3aadfc68f58)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>