Revise a bit

validator_client/src/lib.rs

@@ -469,7 +469,7 @@ impl<E: EthSpec> ProductionValidatorClient<E> {
         } else {
             SelectionProofConfig {
                 lookahead_slot: SELECTION_PROOF_SLOT_LOOKAHEAD,
-                computation_offset: Duration::from_secs(6),
+                computation_offset: slot_clock.slot_duration() / SELECTION_PROOF_SCHEDULE_DENOM,
                 selections_endpoint: false,
                 parallel_sign: false,
             }

validator_client/validator_services/src/sync.rs

@@ -351,9 +351,6 @@ pub async fn poll_sync_committee_duties<T: SlotClock + 'static, E: EthSpec>(
         let sub_duties_service = duties_service.clone();
         duties_service.context.executor.spawn(
             async move {
-                // The defined config here defaults to using selections_endpoint and parallel_sign (i.e., distributed mode)
-                // Other DVT applications, e.g., Anchor can pass in different configs to suit different needs.
-
                 fill_in_aggregation_proofs(
                     sub_duties_service,
                     &new_pre_compute_duties,