[PATCH inputproto multitouch] Remove XI2.1 and XI2.2 warnings and errors

[Chase Douglas]

On 12/11/2011 04:26 PM, Peter Hutterer wrote:
> This is too much of a pain, anyone who includes XI headers needs to define
> this. And that affects input and output drivers as well as legacy clients
> that don't even need the new stuff.
> 
> Removing the need for defines would be enough but then the warnings clog up
> the output and hide real warnings. Just ditch them and laugh at those that
> use an experimental branch and expect it to work.
> 
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>

The warnings are nice, but I agree that these macros are probably not
the best mechanism.

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>