ethtool: remove ethtool_eee_use_linkmodes

After 292fac46 ("net: ethtool: eee: Remove legacy _u32 from keee")
this function has no user any longer.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/b4ff9b51-092b-4d44-bfce-c95342a05b51@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

net/ethtool/common.c

@@ -712,8 +712,3 @@ ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
 	}
 }
 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);
-
-bool ethtool_eee_use_linkmodes(const struct ethtool_keee *eee)
-{
-	return !linkmode_empty(eee->supported);
-}

net/ethtool/common.h

@@ -55,6 +55,5 @@ int ethtool_get_module_eeprom_call(struct net_device *dev,
 				   struct ethtool_eeprom *ee, u8 *data);
 
 bool __ethtool_dev_mm_supported(struct net_device *dev);
-bool ethtool_eee_use_linkmodes(const struct ethtool_keee *eee);
 
 #endif /* _ETHTOOL_COMMON_H */