Replace Mapbox-based MakiMarkers with local default icon (#1966)

Mapbox is no longer free, cf. hbz/nwbib#642

web/app/views/tags/items_map.scala.html

@@ -10,7 +10,6 @@
 
 <link rel="stylesheet" href="@controllers.routes.Assets.at("stylesheets/leaflet.css")" />
 <script src="@controllers.routes.Assets.at("javascripts/leaflet.js")"></script>
-<script src="@controllers.routes.Assets.at("javascripts/Leaflet.MakiMarkers.js")"></script>
 @*<script type="text/javascript" src="http://maps.stamen.com/js/tile.stamen.js?v1.2.4"></script>*@
 <table class="table table-striped table-condensed">
     <tr>
@@ -84,10 +83,8 @@
                 var lat = @string((json \\ "lat").head)
                 var lon = @string((json \\ "lon").head)
                 var latlng@(id) = L.latLng(lat, lon);
-                var icon@(id) = L.MakiMarkers.icon({icon: "library", color: "#FA820A", size: "m"});
                 var marker@(id) = L.marker([lat, lon],{
-                    title: "@ownerName (@key)",
-                    icon: icon@(id)
+                    title: "@ownerName (@key)"
                 });
                 markers[latlng@(id).toString()] = marker@(id);
                 bindPopup@(id)(tableDetails);