Remove GitHub pages instructions preamble

The GitHub Pages site is now published from the master branch of the
repo, so you can update the site just by updating the README.md file.
This change also means the (now unneeded) instructions will no longer be
published on the status site.
diff --git a/README.md b/README.md
index 3f0e3d4..a6d20ac 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,3 @@
-If you update the table below, update the [Github Pages site](http://apache.github.io/cordova-status):
-
-1. Go to the [Automatic Page Generator](https://github.com/cordova/cordova-status/generated_pages/new)
-2. Click on the button **Load README.md**
-3. Edit the text to remove these instructions
-4. Click on **Continue to layouts**
-5. Choose the **Modernist** layout
-6. Click on **Publish page**
-7. Edit the generated HTML to remove the two "Download as.." buttons
-
 
 | Core Platform | Travis CI | AppVeyor | Code Coverage |
 | :--- | :---: | :---: | :---: |