sfc: Remove declarations of functions that no longer exist

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/sfc/efx.h

@@ -81,8 +81,6 @@ extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok);
 extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);
 extern void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs,
 				    int rx_usecs, bool rx_adaptive);
-extern int efx_request_power(struct efx_nic *efx, int mw, const char *name);
-extern void efx_hex_dump(const u8 *, unsigned int, const char *);
 
 /* Dummy PHY ops for PHY drivers */
 extern int efx_port_dummy_op_int(struct efx_nic *efx);