Cleanup.

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

@@ -17,10 +17,6 @@ public record Position(
         @Nullable Float bearing,
         @Nullable Speed speed
 ) {
-    @Deprecated
-    public static Position empty() {
-        return of(null);
-    }
 
     public static Position of(@NonNull Instant time) {
         return new Position(

src/main/java/de/dennisguse/opentracks/sensors/sensorData/AggregatorGPS.java

@@ -20,8 +20,7 @@ public class AggregatorGPS extends Aggregator<Location, Position> {
         /*
          * GPS data is not an aggregated value, but for now we want to ensure to only save the data once.
          * The data is too large to save it more often than needed (i.e., duplicated values).
-         * TODO: this behavior can be changed if TrackRecordingManager.insertTrackPoint() would strip GPS data if it was already saved. This would simplify TrackPointCreator.createCurrentTrackPoint()
          */
-        output = null;
+        resetOutdated();
     }
 }