message: Improve pin for current location
  Remove old pin for user location and add showsUserLocation in MapView
diff: @@ -87,35 +87,6 @@ export const MapScreen: ScreenType = ({ navigation }: Props) => {
  }
  }
  - useFocusEffect(
  - useCallback(() => {
  - requestLocationPermission()
  -
  - if (!grantedPermission) {
  - return null
  - }
  -
  - const watchId = Geolocation.watchPosition((info) => {
  - // console.log(info)
  - setCurrentLocation(
  - <Marker
  - coordinate={{
  - latitude: info.coords.latitude,
  - longitude: info.coords.longitude,
  - }}
  - title="Current location"
  - key="currentLocation"
  - pinColor="blue"
  - />,
  - )
  - })
  -
  - return () => {
  - Geolocation.clearWatch(watchId)
  - }
  - }, [grantedPermission]),
  - )
  -
  // React.useLayoutEffect(() => {
  // navigation.setOptions(
  // {
  @@ -163,6 +134,7 @@ export const MapScreen: ScreenType = ({ navigation }: Props) => {
  <Screen>
  <MapView
  style={styles.map}
  + showsUserLocation={true}
  initialRegion={{
  latitude: 13.496743,
  longitude: -89.439462,
  @@ -171,7 +143,6 @@ export const MapScreen: ScreenType = ({ navigation }: Props) => {
  }}
  >
  {markers}
  - {currentLocation}
  </MapView>
  </Screen>
  )
  