chore(anvil): remove dead BeaconResult alias and re-export (#12405)

* Remove dead BeaconResult alias and re-export

* Remove dead BeaconResult alias and re-export

Author: Forostovec

crates/anvil/src/eth/beacon/mod.rs

@@ -7,4 +7,4 @@ pub mod error;
 pub mod response;
 
 pub use error::BeaconError;
-pub use response::{BeaconResponse, BeaconResult};
+pub use response::BeaconResponse;

crates/anvil/src/eth/beacon/response.rs

@@ -1,16 +1,12 @@
 //! Beacon API response types
 
-use super::error::BeaconError;
 use axum::{
     Json,
     http::StatusCode,
     response::{IntoResponse, Response},
 };
 use serde::{Deserialize, Serialize};
 
-/// Result type for beacon API operations
-pub type BeaconResult<T> = Result<T, BeaconError>;
-
 /// Generic Beacon API response wrapper
 ///
 /// This follows the beacon chain API specification where responses include