Fixes imports after rebase

Author: sebastiencs

node/src/block_producer/block_producer_reducer.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use ledger::{
-    proofs::witness::transaction_snark::CONSTRAINT_CONSTANTS,
+    proofs::transaction::transaction_snark::CONSTRAINT_CONSTANTS,
     scan_state::currency::{Amount, Signed},
 };
 use mina_p2p_messages::{

node/src/state.rs

@@ -1,4 +1,4 @@
-use ledger::proofs::witness::transaction_snark::CONSTRAINT_CONSTANTS;
+use ledger::proofs::transaction::transaction_snark::CONSTRAINT_CONSTANTS;
 use redux::{ActionMeta, Timestamp};
 use serde::{Deserialize, Serialize};