Only gl typedefs are used. So just remove the header and update the
types to the underlying types.
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13387>
(cherry picked from commit 2d58e31f10)