igc: Remove the unused field from a device specification structure

This patch comes to clean up the device specification structure.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igc/igc_hw.h

@@ -184,12 +184,7 @@ struct igc_fc_info {
 };
 
 struct igc_dev_spec_base {
-	bool global_device_reset;
-	bool eee_disable;
 	bool clear_semaphore_once;
-	bool module_plugged;
-	u8 media_port;
-	bool mas_capable;
 };
 
 struct igc_hw {