wined3d: remove a useless variable

[Nikolay Sivov]

On 11/14/2010 22:17, David Adam wrote:

>       if(wined3d_settings.rendertargetlock_mode == RTL_DISABLE) {
> -        static BOOL warned = FALSE;
> -        if(!warned) {
> -            ERR("The application tries to lock the render target, but render target locking is disabled\n");
> -            warned = TRUE;
> -        }
> +        ERR("The application tries to lock the render target, but render target locking is disabled\n");
>           return;
>       }
Why is it useless?