Correcting bug when deleting PlaceMarkers

app/src/main/java/uca/baptistearthur/geocaching/ui/overlay/PlaceMarker.kt

@@ -12,7 +12,8 @@ class PlaceMarker(val mapView: MapView, val locations: MutableSet<GeoPoint>) : M
             locations.remove(this.position)
             this.closeInfoWindow()
             mapView?.overlays?.remove(this)
+            return true
         }
-        return true
+        return false
     }
 }