Fix some issues afetr upgrade the port

• Reintroduce USE_LDCONFIG use by plugins option
• Prefix wit %%NLS%% a new language file
• Remove lib/rpm-plugins/ima.so from plist (not build anymore by default)

PR: 231118
Submitted by: Maciej Pasternacki <maciej@pasternacki.net>
Reported by: Walter Schwarzenfeld <w.schwarzenfeld@utanet.at> <starikarp@yandex.com>