Tooltip in Core + realm taint fix

Changed

• The "Tooltip" sub-addon is gone. Its functionality is now part of the main addon - you no longer need to install NerzorsBlacklistKeeper_Tooltip and can delete the old folder.

New

• Per-row tooltip toggles. You can now individually toggle which pieces of info show up in the tooltip: reason, notes, zone, encounter history, mute marker, pin marker.

Fixed

• Lua error in dungeons and raids when hovering players (attemptto compare local 'realm' a secret string value).

Short, player-focused summary of what changed. For the gritty developer-level details (code paths, function names, protocol jargon), see changelog.md.