Revert "wined3d: Preload target in ActivateContext() for ORM_BACKBUFFER/ORM_PBUFFER."

[Vitaliy Margolen]

Stefan Dösinger wrote:
>> IMHO this is too little too late. There are at least 2 more calls to
>> Preload
>> that have exactly the same affect on some of my test games. It sure
>> would be
>> nice to "fix" at least one case which looks to be common for number of
>> games.
> I am aware of one. Where is the other one?
> 

Two Preload calls in FindContext. And bug 13079: 
http://bugs.winehq.org/show_bug.cgi?id=13079

Vitaliy.