docs(aio): change hardcoded links to the old site (#16196)

aio/content/guide/aot-compiler.md

@@ -535,11 +535,9 @@ Rollup does the tree shaking as before.
 
   The general audience instructions for running the AOT build of the Tour of Heroes app are not ready.
 
-  The following instructions presuppose that you have cloned the
+  The following instructions presuppose that you have downloaded the
-  <a href="https://github.com/angular/angular.io" target="_blank">angular.io</a>
+  <a href="/content/zips/toh-pt6/toh-pt6.zip" target="_blank">Tour of Heroes' zip</a>
-  github repository and prepared it for development as explained in the repo's README.md.
+  and run `npm install` on it.
-
-  The _Tour of Heroes_ source code is in the `public/docs/_examples/toh-6/ts` folder.
 
 </div>
 
@@ -607,4 +605,4 @@ Here's the map for _Tour of Heroes_.
   <figure class='image-display'>
     <img src="assets/images/cookbooks/aot-compiler/toh6-bundle.png" alt="TOH-6-bundle"></img>
   </figure>
-</a>
+</a>

aio/content/guide/deployment.md

@@ -370,7 +370,7 @@ Angular configuration can make the difference between whether the app launches q
 
 ### The `base` tag
 
-The HTML [_<base href="..."/>_](https://angular.io/docs/ts/latest/guide/router.html#!)
+The HTML [_<base href="..."/>_](/guide/router)
 specifies a base path for resolving relative URLs to assets such as images, scripts, and style sheets.
 For example, given the `<base href="/my/app/">`, the browser resolves a URL such as `some/place/foo.jpg`
 into a server request for `my/app/some/place/foo.jpg`.

aio/content/guide/http.md

@@ -1008,7 +1008,7 @@ See the [XSRF topic on the Security page](guide/security#xsrf) for more informat
 ## Override default request headers (and other request options)
 
 Request options (such as headers) are merged into the
-[default _RequestOptions_](https://angular.io/docs/ts/latest/api/http/index/BaseRequestOptions-class.html "API: BaseRequestOptions")
+[default _RequestOptions_](/api/http/BaseRequestOptions "API: BaseRequestOptions")
 before the request is processed.
 The `HttpModule` provides these default options via the `RequestOptions` token.
 

aio/content/guide/setup.md

@@ -361,7 +361,7 @@ As much fun as this is ...
 Use the <live-example title="QuickStart Seed in Plunker">live coding</live-example> environment as a _playground_, 
 a place to try the documentation samples and experiment on your own.
 It's the perfect place to reproduce a bug when you want to
-<a href="https://github.com/angular/angular.io/issues/new" target="_blank" title="File a documentation issue">file a documentation issue</a> or
+<a href="https://github.com/angular/angular/issues/new" title="File a documentation issue">file a documentation issue</a> or
-<a href="https://github.com/angular/angular/issues/new" target="_blank" title="File an Angular issue">file an issue with Angular itself</a>.
+<a href="https://github.com/angular/angular/issues/new" title="File an Angular issue">file an issue with Angular itself</a>.
 
 For real development, we strongly recommend [developing locally](guide/setup#develop-locally).

aio/content/tutorial/toh-pt5.md

@@ -1207,7 +1207,7 @@ Here's an excerpt:
 
 
 Create the file <code>styles.css</code>.
-Ensure that the file contains the [master styles provided here](https://raw.githubusercontent.com/angular/angular.io/master/public/docs/_examples/_boilerplate/src/styles.css).
+Ensure that the file contains the [master styles provided here](https://raw.githubusercontent.com/angular/angular/master/aio/tools/examples/shared/boilerplate/src/styles.css).
 Also edit <code>index.html</code> to refer to this stylesheet.