Cleanup OpenXPKI::Crypto::CLI, fixes #679
Cleanup OpenXPKI::Crypto::CLI, fixes #679

Remove option to use STDIN/STDOUT directly (no longer in use)
Remove global find_error logic (if needed should be added in
sub commands)
Remove useless unlink of stdin/stderr files

openxpki/openxpki,openxpki/openxpki,oliwel/openxpki,openxpki/openxpki,oliwel/openxpki,oliwel/openxpki,oliwel/openxpki,oliwel/openxpki,oliwel/openxpki,openxpki/openxpki