fix: remove unclosed and unused renderDashboard function declaration that broke JS parsing

src/viewer/index.html

@@ -1804,7 +1804,6 @@
 
 
 
-    function renderDashboard() {
     var graphSim = { nodes: [], edges: [], running: false, canvas: null, ctx: null, raf: null, panX: 0, panY: 0, zoom: 1, dragNode: null, mouseX: 0, mouseY: 0, tickCount: 0, quietTicks: 0 };
     function wakeGraphSim() {
       graphSim.quietTicks = 0;