remove the go-link

tsguide.html

@@ -544,9 +544,7 @@ <h4 id="properties-used-outside-of-class-lexical-scope">Properties used outside
 should use <code>public</code>, but AngularJS should use <code>protected</code>.</p>
 
 <p>TypeScript code must not not use <code>obj['foo']</code> to bypass the visibility of a
-property. See
-<a href="http://go/typescript/testing#export-private-visibility">testing and private visibility</a>
-if you want to access protected fields from a test.</p>
+property</p>
 
 <section class="zippy">
 Why?