anv: Use the YCbCr format info from common code

We still maintain our own table of formats but all of the conversion and
sampling info we pull from common code.

Acked-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19950>

src/intel/vulkan/anv_private.h

@@ -3258,20 +3258,10 @@ struct anv_format_plane {
    enum isl_format isl_format:16;
    struct isl_swizzle swizzle;
 
-   /* Whether this plane contains chroma channels */
-   bool has_chroma;
-
-   /* For downscaling of YUV planes */
-   uint8_t denominator_scales[2];
-
-   /* How to map sampled ycbcr planes to a single 4 component element. */
-   struct isl_swizzle ycbcr_swizzle;
-
    /* What aspect is associated to this plane */
    VkImageAspectFlags aspect;
 };
 
-
 struct anv_format {
    struct anv_format_plane planes[3];
    VkFormat vk_format;