Sync only while the app is open.

app/src/main/java/com/racingapp/pitlog/RacingApp.kt

@@ -18,8 +18,7 @@ open class RacingApp : Application() {
         val dao = AppDatabase.create(this).raceDao()
         val preferences = SyncPreferences(this)
         runBlocking(Dispatchers.IO) { ensureCars(dao, preferences) }
-        val sync = PitSync(this, dao, preferences)
+        val sync = PitSync(dao, preferences)
         repository = Repository(dao, sync, preferences)
-        sync.schedule()
     }
 }