chore: remove N mode telemetry

tests/NiroTelemetrySnapshotTest.php

@@ -33,25 +33,20 @@ $summary = NiroTelemetrySnapshot::summarize([
         'audio_mode' => '54',
         'hev_mode_code' => '2',
         'head_unit_power' => '0',
-        'n_framework_available' => 'true',
-        'n_drive_mode_valid' => 'true',
-        'n_current_drive_mode_code' => '2',
-        'n_terrain_supported' => 'false',
     ],
 ], ['stale_after' => 20]);
 
 check($summary['available'] === true, 'snapshot is available');
 check($summary['online'] === true, 'availability topic is respected');
 check($summary['stale'] === false, 'fresh sample is not stale');
-check($summary['metric_count'] === 17, 'only mapped supported metrics are counted');
-check($summary['services'] === ['available' => 7, 'total' => 7], 'source families are counted');
+check($summary['metric_count'] === 11, 'only mapped supported metrics are counted');
+check($summary['services'] === ['available' => 6, 'total' => 6], 'source families are counted');
 check($summary['metrics']['speed']['value'] === '27', 'speed mapping');
 check($summary['metrics']['gear']['value'] === '5', 'live root gear mapping');
 check($summary['metrics']['outside_temperature']['value'] === '25.0', 'climate mapping');
 check($summary['metrics']['driver_door']['supported'] === true, 'zero is supported');
 check($summary['metrics']['distance_to_empty']['value'] === '761', 'live HEV range mapping');
 check($summary['metrics']['odometer']['value'] === '259653.7', 'odometer is already km');
-check($summary['metrics']['n_current_drive_mode']['value'] === '2', 'N readback mapping');
 check($summary['metrics']['route_guide']['supported'] === false, 'removed raw route value stays unsupported');
 check(!array_key_exists('state', $summary), 'raw snapshot is not exposed');