Remove jQuery throttle-debounce dependency

Vendorfile

@@ -1,8 +1,4 @@
 folder 'vendor/assets' do
-  folder 'jquery' do
-    file 'jquery.throttle-debounce.js', 'https://raw.githubusercontent.com/cowboy/jquery-throttle-debounce/v1.1/jquery.ba-throttle-debounce.js'
-  end
-
   folder 'leaflet' do
     from 'https://github.com/kajic/leaflet-locationfilter.git' do
       file 'leaflet.locationfilter.css', 'src/locationfilter.css'

app/assets/javascripts/application.js

@@ -1,6 +1,5 @@
 //= require jquery3
 //= require jquery_ujs
-//= require jquery.throttle-debounce
 //= require js-cookie/dist/js.cookie
 //= require popper
 //= require bootstrap-sprockets

app/assets/javascripts/id.js

@@ -35,7 +35,7 @@ document.addEventListener("DOMContentLoaded", function () {
     }
 
     let hashChangedAutomatically = false;
-    id.map().on("move.embed", parent.$.throttle(250, function () {
+    id.map().on("hash-update.embed", function () {
       if (id.inIntro()) return;
       const zoom = ~~id.map().zoom(),
             center = id.map().center(),
@@ -50,7 +50,7 @@ document.addEventListener("DOMContentLoaded", function () {
         hashChangedAutomatically = true;
         parent.location.replace(parent.location.href.replace(/(#.*|$)/, hash));
       }
-    }));
+    });
 
     function goToLocation(data) {
       // 0ms timeout to avoid iframe JS context weirdness.