cleanup code

app/src/main/java/net/pokeranalytics/android/ui/fragment/HistoryFragment.kt

@@ -32,10 +32,8 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 	}
 
 	private lateinit var historyAdapter: HistorySessionRowRepresentableAdapter
-	// Old
-	//private lateinit var historyAdapter: HistorySessionRowRepresentableAdapter
+
 	private lateinit var realmSessions: RealmResults<Session>
-	private val sessions: ArrayList<Session> = ArrayList()
 	private val rows: ArrayList<RowRepresentable> = ArrayList()
 	private var newSessionCreated: Boolean = false
 
@@ -82,19 +80,17 @@ class HistoryFragment : PokerAnalyticsFragment(), LiveRowRepresentableDataSource
 	 */
 	private fun initData() {
 
-		realmSessions = getRealm().where<Session>().findAll().sort("startDate", Sort.DESCENDING)
-		realmSessions.addChangeListener { t, changeSet ->
-//			if (changeSet.insertions.isNotEmpty() || changeSet.deletions.isNotEmpty()) {
-				historyAdapter.refreshData()
-//			}
-			historyAdapter.notifyDataSetChanged()
+		this.realmSessions = getRealm().where<Session>().findAll().sort("startDate", Sort.DESCENDING)
+		this.realmSessions.addChangeListener { t, changeSet ->
+			this.historyAdapter.refreshData()
+			this.historyAdapter.notifyDataSetChanged()
 		}
 
 		val startedSessions = getRealm().where<Session>().isNotNull("year").isNotNull("month").findAll().sort("startDate", Sort.DESCENDING)
 		val pendingSessions = getRealm().where<Session>().isNull("year").isNull("month").findAll().sort("startDate", Sort.DESCENDING)
 		val distinctDateSessions = getRealm().where<Session>().distinct("year", "month").findAll().sort("startDate", Sort.DESCENDING)
 
-		historyAdapter = HistorySessionRowRepresentableAdapter(this, startedSessions, pendingSessions, distinctDateSessions)
+		this.historyAdapter = HistorySessionRowRepresentableAdapter(this, startedSessions, pendingSessions, distinctDateSessions)
 
 		val viewManager = SmoothScrollLinearLayoutManager(requireContext())
 		recyclerView.apply {