Fixed success message in airport filter

src/main/java/seng202/group9/GUI/AirportFilterController.java

@@ -92,13 +92,11 @@ public class AirportFilterController extends Controller {
             filter.filterOlson(airpTzFilter.getText());
         }
         Alert alert = new Alert(Alert.AlertType.INFORMATION);
-        alert.setTitle("Airline Filter Successful");
-        alert.setHeaderText("Airline data filtered!");
-        alert.setContentText("Your airline data has been successfully filtered.");
+        alert.setTitle("Airport Filter Successful");
+        alert.setHeaderText("Airport data filtered!");
+        alert.setContentText("Your airport data has been successfully filtered.");
         alert.showAndWait();
 
-        //currentSession.setFilteredAirlines(FXCollections.observableArrayList(filter.getFilteredData()));
-
         HashMap<Integer, String> airportsHM = new HashMap<Integer, String>();
         ArrayList<Airport> airports = filter.getFilteredData();
         for (int index = 0; index < airports.size(); index++) {