[coffeescript] - Remove useless POI in google maps

gmaps-poi.coffee

window.onload = ->
  styles = [
    featureType: "poi"
    stylers: [visibility: "off"]
  ]
  styledMap = new google.maps.StyledMapType(styles,
    name: "Styled Map"
  )
  mapOptions =
    zoom: 11
    center: new google.maps.LatLng(55.6468, 37.581)
    mapTypeControlOptions:
      mapTypeIds: [
        google.maps.MapTypeId.ROADMAP
        "map_style"
      ]

  map = new google.maps.Map(document.getElementById("surabaya"), mapOptions)
  map.mapTypes.set "map_style", styledMap
  map.setMapTypeId "map_style"
  return