pipe-loader: Do not destroy the winsys on screen creation failure

The winsys is always destroyed on pipe_loader_device release.

Signed-off-by: Corentin Noël <corentin.noel@collabora.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9020
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23054>
1 file changed