net: freescale: ucc_geth: remove unused PHY_INIT_TIMEOUT and PHY_CHANGE_TIME

Both definitions are unused. Last users have been removed with:

1577ecef ("netdev: Merge UCC and gianfar MDIO bus drivers")
728de4c9 ("ucc_geth: migrate ucc_geth to phylib")

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Link: https://patch.msgid.link/62e9429b-57e0-42ec-96a5-6a89553f441d@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>