d3d9/tests: Don't create a Null-shader in d3d9, it will crash.

[Rico Schüller]

Stefan Dösinger schrieb:
> I never saw this crashing on any of my systems, so it is probably driver dependent. Which Windows driver are you using?
>
> If the test crashes on either ATI, Nvidia or Intel it is a good idea to remove it. I don't think we should remove it if it crashes on something like VMWare or other 'noname' cards.
>
>   
I checked this on 4 different machines with the following cards all on XP
- Ati 9700M
- Geforce 5700FX
- Geforce 8800GTS
- Geforce 8800GT

Just check the test page to see the d3d9 shader test crashes on all 
machines which didn't skip the complete test! ( 
http://test.winehq.org/data/0b3b6e67ea663e853cc6bb93f4da447ab934e50d/#group_XP 
)

Cheers
Rico