Updating the samples page to reflect the examples that have been retired.

src/site/samples/video/index.markdown

Index: src/site/samples/video/index.markdown
diff --git a/src/site/samples/video/index.markdown b/src/site/samples/video/index.markdown
deleted file mode 100644
index d975c861af9f1dd0c352f04dc7069cfea9f91e70..0000000000000000000000000000000000000000
--- a/src/site/samples/video/index.markdown
+++ /dev/null
@@ -1,30 +0,0 @@
----
-layout: default
-title: HTML5 Video
-live_example_url: example/index.html
-
-header:
-  css: ["/samples/samples.css"]
----
-
-## {{ page.title }}
-
-A port of an example used in the
-[HTML5 Video](http://www.html5rocks.com/en/tutorials/video/basics/)
-article by Ernest Delgado, originally published on HTML5Rocks.
-
-The example shows how to use the `<video>` tag with different video formats.
-
-You can run the example by running `pub serve` from the `dart-samples/html5`
-directory, and then visiting 
-[localhost:8080/video/basics/](http://localhost:8080/video/basics/).
-
-Read the
-[source](https://github.com/dart-lang/dart-samples/tree/master/html5/web/video/basics).
-
-<iframe class="running-app-frame"
-        style="height:500px;width:100%;"
-        src="{{page.live_example_url}}">
-</iframe>
-
-See all [samples](/samples/).