Move migrations/migrate.or.upgrade.iredadmin.md to upgrade/0-migrate.or.upgrade.iredadmin.md (hidden in index page with '0-' prefix in file name).

README.md

@@ -54,7 +54,6 @@ Documents contributed by iRedMail users:
 
 * [An Ultra-HA, full Mult-Master E-mail cluster with iRedMail, MariaDB, and IPVS](http://pastebin.com/JcYeQBrX), contributed by Joshua Boniface.
 # Migrations
-* [Migrate or upgrade iRedAdmin](https://bitbucket.org/zhb/docs.iredmail.org/src/default/migrations/migrate.or.upgrade.iredadmin.md)
 * [Migrate old iRedMail server to the latest stable release](https://bitbucket.org/zhb/docs.iredmail.org/src/default/migrations/migrate.to.new.iredmail.server.md)
 * [Password hashes](https://bitbucket.org/zhb/docs.iredmail.org/src/default/migrations/password.hashes.md)
 # Troubleshooting and Debug

html/index.html

@@ -75,7 +75,6 @@
 </ul>
 <h3 id="migrations">Migrations</h3>
 <ul>
-<li><a href="migrate.or.upgrade.iredadmin.html">Migrate or upgrade iRedAdmin</a></li>
 <li><a href="migrate.to.new.iredmail.server.html">Migrate old iRedMail server to the latest stable release</a></li>
 <li><a href="password.hashes.html">Password hashes</a></li>
 </ul>