Revert moxa status update

As Alan says:

  "The '1.8' version is for the Moxa mxser driver.  Moxa haven't
   released any 2.6 driver for the ancient 'smartio' hardware"

so the smartio driver stil remains valid.

Cset exclude: james4765@gmail.com[torvalds]|ChangeSet|20050108220924|25457

Documentation/moxa-smartio

-***NOTE*** - The driver included in the kernel is not maintained by Moxa.  They
-have a version 1.8 driver available from:
-
-http://www.moxa.com
-
-that works with 2.6 kernels.  Currently, Moxa has no plans to have their updated
-driver merged into the kernel.
-
-James Nelson <james4765@gmail.com> - 12-12-2004
-
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 	MOXA Smartio Family Device Driver Ver 1.1 Installation Guide