title: How to remove a polyline that is created on another method
body: <p>I want the polyline that is already created on another method to be removed. Is there a way to remove that specific polyline? Below is my codes for adding polyline.</p>
  
  <pre><code>public void lardizabalToTayuman() {
  map.addPolyline(new PolylineOptions().add(
                  new LatLng(14.617071, 120.989945),
                  new LatLng(14.605693, 121.000863),
                  new LatLng(14.605599, 121.000939),
                  new LatLng(14.603097, 121.001786),
                  new LatLng(14.602900, 121.001089),
                  new LatLng(14.605246, 121.000252),
                  new LatLng(14.613429, 120.992410),
                  new LatLng(14.611934, 120.990768),
                  new LatLng(14.617094, 120.985795)
                  )
                          .width(5)
                          .color(Color.RED)
  
          );
  }
  </code></pre>
  
  <p>My onMapReady codes:</p>
  
  <pre><code>  public void onMapReady(GoogleMap googleMap) {
          map = googleMap;
  
          LatLng manila = new LatLng(14.5995, 120.9842);
          MarkerOptions option = new MarkerOptions();
          option.position(manila).title("Manila");
          map.addMarker(option);
          map.moveCamera(CameraUpdateFactory.newLatLng(manila));
          lardizabalToTayuman();
  }
  </code></pre>