mtd: nand: mtk: remove unneeded mtk_nfc_hw_init from mtk_nfc_resume

chip->select_chip will do nfc runtime configuration. There is no need to
do mtk_nfc_hw_init before it.

Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>