Remove unused code

crates/cdk-sql-common/src/mint/mod.rs

@@ -13,6 +13,7 @@ use std::sync::Arc;
 
 use async_trait::async_trait;
 use cdk_common::database::{self, DbTransactionFinalizer, Error, MintDatabase};
+// Re-export for auth module
 use migrations::MIGRATIONS;
 
 use crate::common::migrate;

crates/cdk/src/mint/swap/swap_saga/mod.rs

@@ -210,11 +210,6 @@ impl<'a> SwapSaga<'a, Initial> {
         // Update input proof states to Pending
         match tx.update_proofs(&mut new_proofs).await {
             Ok(states) => states,
-            Err(database::Error::AttemptUpdateSpentProof)
-            | Err(database::Error::AttemptRemoveSpentProof) => {
-                tx.rollback().await?;
-                return Err(Error::TokenAlreadySpent);
-            }
             Err(err) => {
                 tx.rollback().await?;
                 return Err(err.into());