chore: rm comments

src/cmd_u2fsign.rs

@@ -145,7 +145,6 @@ impl Command for CommandImpl {
                 let authorization = opt_result!(authorization_result, "Parse authorization failed: {}");
                 success!("Parse authorization success, counter: {}", authorization.counter);
 
-                // PKey::public_key_from_der()
                 let ec_group = opt_result!(EcGroup::from_curve_name(Nid::X9_62_PRIME256V1), "New secp256r1 EC group failed: {}");
                 let ec_point = opt_result!(EcPoint::from_bytes(&ec_group, &public_key, &mut BigNumContext::new().unwrap()), "Parse from secp256r1 point failed: {}");
                 let ec_key = opt_result!(EcKey::from_public_key(&ec_group, &ec_point), "Parse secp256r1 public key failed: {}");