Remove infowindow on Google Maps POI's markers

fix_infowindow.js

function fixInfoWindow() {
    //Here we redefine set() method.
    //If it is called for map option, we hide InfoWindow, if "noSupress" option isnt true.
    //As Google doesn't know about this option, its InfoWindows will not be opened.
    var set = google.maps.InfoWindow.prototype.set;
    google.maps.InfoWindow.prototype.set = function (key, val) {
        if (key === 'map') {
            if (!this.get('noSupress')) {
                console.log('This InfoWindow is supressed. To enable it, set "noSupress" option to true');
                return;
            }
        }
        set.apply(this, arguments);
    }
}