clean up min_port and max_port from struct after PR#684

machine.h

@@ -84,10 +84,6 @@ struct sfp_port
 struct machine {
 	char machine_name[30];
 	uint8_t isRTL8373;
-	// Lowest logical port number
-	uint8_t min_port;
-	// Highest logical port number
-	uint8_t max_port;
 	uint8_t n_sfp;
 	uint8_t n_10g;
 	uint8_t log_to_phys_port[9];