Remove deprecated flags in prep for v6.0.0 (#6490)

* Delete previously deprecated flags

* Update CLI docs

* Remove deprecated BN flags

* Use ethereum-package main branch

* Delete env_log/-l

beacon_node/operation_pool/src/attestation_id.rs

@@ -1,12 +0,0 @@
-use serde::{Deserialize, Serialize};
-use ssz_derive::{Decode, Encode};
-
-/// Serialized `AttestationData` augmented with a domain to encode the fork info.
-///
-/// [DEPRECATED] To be removed once all nodes have updated to schema v12.
-#[derive(
-    PartialEq, Eq, Clone, Hash, Debug, PartialOrd, Ord, Encode, Decode, Serialize, Deserialize,
-)]
-pub struct AttestationId {
-    v: Vec<u8>,
-}

beacon_node/operation_pool/src/lib.rs

@@ -1,5 +1,4 @@
 mod attestation;
-mod attestation_id;
 mod attestation_storage;
 mod attester_slashing;
 mod bls_to_execution_changes;