VFS: merge lookup_one_qstr_excl_raw() back into lookup_one_qstr_excl()

The effect of lookup_one_qstr_excl_raw() can be achieved by passing
LOOKUP_CREATE() to lookup_one_qstr_excl() - we don't need a separate
function.

Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250608230952.20539-2-neil@brown.name


Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>