[PATCH] mtd: nand: remove unused ->init_size() hook

[Brian Norris]

On Thu, Oct 01, 2015 at 04:58:27PM +0200, Boris Brezillon wrote:
> The ->init_size() hook was introduced to let NAND controller drivers
> support NAND devices that could not be described in the nand_ids table.
> Since then, the core has added support for extended-id parsing and
> full-id description, thus allowing to describe pretty much all existing
> NANDs.
> Moreover, this hook is not used by any mainline driver, and should not be
> used by new drivers, because detecting the NAND chip is not something
> controller specific.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>

Looks obvious and passes all my builds. Pushed to l2-mtd.git.