Update index-snippet.html

AISKU/samples/HelloWorld/index-snippet.html

@@ -8,7 +8,7 @@
         src: "http://localhost:9001/AISKU/browser/es5/ai.3.3.0.js", // The URL Source for the local build
         crossOrigin: "anonymous", // When supplied this will add the provided value as the cross origin attribute on the script tag
         cfg: { // Application Insights Configuration
-            connectionString: "InstrumentationKey=814a172a-92fd-4950-9023-9cf13bb65696;IngestionEndpoint=https://eastus-8.in.applicationinsights.azure.com/;LiveEndpoint=https://eastus.livediagnostics.monitor.azure.com/",
+            connectionString: "InstrumentationKey=YOUR_INSTRUMENTATION_KEY",
             expCfg: {
               inclScripts: true,
               expLog : () => {