feat: minor fix of ng layer tune

feat: remove unused imports

src/index.html

@@ -13,10 +13,8 @@
   <link rel="icon" type="image/png" href="assets/favicons/favicon-128-light.png"/>
   <script src="extra_js.js"></script>
   <script src="https://unpkg.com/three-surfer@0.0.13/dist/bundle.js" defer></script>
-  <script type="module" src="https://unpkg.com/ng-layer-tune@0.0.23/dist/ng-layer-tune/ng-layer-tune.esm.js"></script>
+  <script type="module" src="https://unpkg.com/ng-layer-tune@0.0.25/dist/ng-layer-tune/ng-layer-tune.esm.js"></script>
   <script type="module" src="https://unpkg.com/hbp-connectivity-component@0.6.6/dist/connectivity-component/connectivity-component.js" ></script>
-  <script defer src="https://unpkg.com/mathjax@3.1.2/es5/tex-svg.js"></script>
-  <script defer src="https://unpkg.com/d3@6.2.0/dist/d3.min.js"></script>
   <script src="https://cdn.plot.ly/plotly-2.24.1.min.js" charset="utf-8"></script>
   <title>Siibra Explorer</title>
 </head>