gdi32: Remove unused function.

[Sebastian Lackner]

On 08.07.2016 12:25, Huw Davies wrote:
> Signed-off-by: Huw Davies <huw at codeweavers.com>
> ---
>  dlls/gdi32/region.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/dlls/gdi32/region.c b/dlls/gdi32/region.c
> index 0b0ff47..1e10221 100644
> --- a/dlls/gdi32/region.c
> +++ b/dlls/gdi32/region.c
> @@ -149,11 +149,6 @@ static inline void empty_region( WINEREGION *reg )
>      reg->extents.left = reg->extents.top = reg->extents.right = reg->extents.bottom = 0;
>  }
>  
> -static inline BOOL is_in_rect( const RECT *rect, int x, int y )
> -{
> -    return (rect->right > x && rect->left <= x && rect->bottom > y && rect->top <= y);
> -}
> -
>  /*
>   * number of points to buffer before sending them off
>   * to scanlines() :  Must be an even number
> 

I assume it was intentional to remove the is_in_rect() check from PtInRegion, but
is it really such a good idea? For points outside of the extents rectangle it
increased runtime from O(1) to O(log N), which could still matter in practice.