Removed libraries no longer used

public/grijalva/index.html

@@ -144,7 +144,6 @@
     <script src="../js/Leaflet.BeautifyIcon/leaflet-beautify-marker-icon.js"></script>
     <script src="../js/L.VisualClick/L.VisualClick.js"></script>
     <script src="https://api.mapbox.com/mapbox.js/plugins/leaflet-omnivore/v0.3.1/leaflet-omnivore.min.js"></script>
-    <script src="https://unpkg.com/leaflet.vectorgrid@latest/dist/Leaflet.VectorGrid.bundled.js"></script>
     <script type="text/javascript" src="https://cdn.rawgit.com/nezasa/iso8601-js-period/master/iso8601.min.js"></script>
     <script type="text/javascript" src="https://cdn.rawgit.com/socib/Leaflet.TimeDimension/master/dist/leaflet.timedimension.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/chroma-js/2.0.3/chroma.min.js"></script>
@@ -153,7 +152,6 @@
     <script src="https://unpkg.com/mapbox-gl-leaflet/leaflet-mapbox-gl.js"></script>
     <script type="text/javascript" src="../js/Leaflet.Sync.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.draw/1.0.4/leaflet.draw.js"></script>
-    <script src="https://npmcdn.com/@turf/turf/turf.min.js"></script>
     <script type="text/javascript" src="../js/jszip.min.js"></script>
     <script src="../js/grijalva_functions.js"></script>
     <script src="../js/grijalva_basemap.js"></script>