igc: Clean up the mac_info structure

collision_delta, tx_packet_delta, txcw, adaptive_ifs and
has_fwsm fields not in use.
This patch come to clean up the driver code.

Signed-off-by: Sasha Neftin <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

Author: aneftin

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

@@ -82,10 +82,7 @@ struct igc_mac_info {
 
 	enum igc_mac_type type;
 
-	u32 collision_delta;
 	u32 mc_filter_type;
-	u32 tx_packet_delta;
-	u32 txcw;
 
 	u16 mta_reg_count;
 	u16 uta_reg_count;
@@ -95,8 +92,6 @@ struct igc_mac_info {
 
 	u8 forced_speed_duplex;
 
-	bool adaptive_ifs;
-	bool has_fwsm;
 	bool asf_firmware_present;
 	bool arc_subsystem_valid;