fix(aio): temporarily remove link to source from the API pages (#17371)

We need to come up with a better design (possibly involving an icon button) to
link to the source code (for viewing and/or editing).

Fixes #17254

aio/tools/transforms/templates/api/includes/info-bar.html

@@ -11,8 +11,4 @@
     NgModule: {@link {$ doc.ngModule $}}
   </span>
   {% endif %}
-
-  <span class="info-bar-item">
-    {$ github.githubViewLink(doc, versionInfo) $}
-  </span>
-</div>
+</div>