Cleanup: Statistics doesn't need isIdle.

isIdle is only used by SegmentStatisticsUpdater.

src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java

@@ -146,8 +146,6 @@ public class ContentProviderUtils {
 
                 cursor.isNull(totalDistanceIndex) ? null : Distance.of(cursor.getFloat(totalDistanceIndex)),
 
-                false,
-
                 cursor.isNull(maxSpeedIndex) ? null : Speed.of(cursor.getFloat(maxSpeedIndex)),
                 cursor.isNull(minAltitudeIndex) || cursor.isNull(maxAltitudeIndex) ? null : new AltitudeExtremities(cursor.getFloat(minAltitudeIndex), cursor.getFloat(maxAltitudeIndex)),
                 cursor.isNull(altitudeGainIndex) || cursor.isNull(altitudeLossIndex) ? null : new AltitudeGainLoss(cursor.getFloat(altitudeGainIndex), cursor.getFloat(altitudeLossIndex)),

src/main/java/de/dennisguse/opentracks/data/models/Statistics.java

@@ -14,7 +14,7 @@ public record Statistics(
         Duration movingTime, // Based on when we believe the user is traveling
 
         Distance totalDistance,
-        boolean isIdle, //TODO Check if this is persisted; if not: remove
+        //TODO Check if this is persisted; if not: remove
         Speed maxSpeed,
 
         @Nullable