Remove unnecessary modification

Author: mkalinin

specs/electra/beacon-chain.md

@@ -56,7 +56,6 @@
     - [New `get_activation_exit_churn_limit`](#new-get_activation_exit_churn_limit)
     - [New `get_consolidation_churn_limit`](#new-get_consolidation_churn_limit)
     - [New `get_pending_balance_to_withdraw`](#new-get_pending_balance_to_withdraw)
-    - [Modified `get_indexed_attestation`](#modified-get_indexed_attestation)
     - [Modified `get_attesting_indices`](#modified-get_attesting_indices)
     - [Modified `get_next_sync_committee_indices`](#modified-get_next_sync_committee_indices)
   - [Beacon state mutators](#beacon-state-mutators)
@@ -573,25 +572,6 @@ def get_pending_balance_to_withdraw(state: BeaconState, validator_index: Validat
     )
 ```
 
-#### Modified `get_indexed_attestation`
-
-*Note*: The function is modified to use the new `get_attesting_indices`.
-
-```python
-def get_indexed_attestation(state: BeaconState, attestation: Attestation) -> IndexedAttestation:
-    """
-    Return the indexed attestation corresponding to ``attestation``.
-    """
-    # [Modified in Electra:EIP7549]
-    attesting_indices = get_attesting_indices(state, attestation)
-
-    return IndexedAttestation(
-        attesting_indices=sorted(attesting_indices),
-        data=attestation.data,
-        signature=attestation.signature,
-    )
-```
-
 #### Modified `get_attesting_indices`
 
 *Note*: The function `get_attesting_indices` is modified to support EIP7549.
@@ -1304,7 +1284,7 @@ def process_attestation(state: BeaconState, attestation: Attestation) -> None:
     # Participation flag indices
     participation_flag_indices = get_attestation_participation_flag_indices(state, data, state.slot - data.slot)
 
-    # Verify signature [Modified in Electra:EIP7549]
+    # Verify signature
     assert is_valid_indexed_attestation(state, get_indexed_attestation(state, attestation))
 
     # Update epoch participation flags
@@ -1314,7 +1294,6 @@ def process_attestation(state: BeaconState, attestation: Attestation) -> None:
         epoch_participation = state.previous_epoch_participation
 
     proposer_reward_numerator = 0
-    # [Modified in Electra:EIP7549]
     for index in get_attesting_indices(state, attestation):
         for flag_index, weight in enumerate(PARTICIPATION_FLAG_WEIGHTS):
             if flag_index in participation_flag_indices and not has_flag(epoch_participation[index], flag_index):