security/passivedns: unbreak build

• Fix versioning scheme but keep git-describe(1) format
• Respect LOCALBASE != PREFIX
• Drop unnecessary bsd.port.options.mk
• Drop unused AUTOMAKE_ARGS
• Drop deprecated author line from pkg-descr

PR: 198499
Pointy hat: lme (2 weeks no fix)
Reported by: pkg-fallout, DPorts
Approved by: portmgr blanket