Remove unnecessary test hook

Author: javiercn

src/Components/Web.JS/src/Boot.Server.ts

@@ -89,8 +89,6 @@ async function initializeConnection(options: BlazorOptions, logger: Logger): Pro
     unhandledError(connection, error, logger);
   });
 
-  window['Blazor']._internal.forceCloseConnection = () => connection.stop();
-
   try {
     await connection.start();
   } catch (ex) {

src/Components/test/E2ETest/ServerExecutionTests/ServerReconnectionTest.cs

@@ -72,7 +72,6 @@ public void RendersContinueAfterReconnect()
         {
             MountTestComponent<ReconnectTicker>();
 
-            Browser.FindElement(By.LinkText("Ticker")).Click();
             var selector = By.ClassName("tick-value");
             var element = Browser.FindElement(selector);