Clean up

consensus/types/src/block/signed_beacon_block.rs

@@ -361,14 +361,6 @@ impl<E: EthSpec, Payload: AbstractExecPayload<E>> SignedBeaconBlock<E, Payload>
             .unwrap_or(0)
     }
 
-    pub fn parent_block_hash(&self) -> Option<ExecutionBlockHash> {
-        self.message()
-            .body()
-            .signed_execution_payload_bid()
-            .ok()
-            .map(|bid| bid.message.parent_block_hash)
-    }
-
     /// Used for displaying commitments in logs.
     pub fn commitments_formatted(&self) -> String {
         let Ok(commitments) = self.message().body().blob_kzg_commitments() else {