fix: lint errors in SimulationHandle changes

- Fix no-misused-promises in pool finally callback
- Remove unused PublicTxResult imports

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

Author: charlielye

yarn-project/end-to-end/src/e2e_p2p/reex.test.ts

@@ -6,7 +6,7 @@ import { times } from '@aztec/foundation/collection';
 import { sleep } from '@aztec/foundation/sleep';
 import { unfreeze } from '@aztec/foundation/types';
 import type { LibP2PService, P2PClient } from '@aztec/p2p';
-import type { CppPublicTxSimulator, PublicTxResult, SimulationHandle } from '@aztec/simulator/server';
+import type { CppPublicTxSimulator, SimulationHandle } from '@aztec/simulator/server';
 import { BlockProposal } from '@aztec/stdlib/p2p';
 import { ReExFailedTxsError, ReExStateMismatchError, ReExTimeoutError } from '@aztec/stdlib/validators';
 import type { ValidatorKeyStore } from '@aztec/validator-client';

yarn-project/simulator/src/public/public_tx_simulator/cpp_public_tx_simulator.ts

@@ -63,7 +63,9 @@ export class CppPublicTxSimulator implements PublicTxSimulatorInterface {
     const backendPromise = pool.checkout();
     const result = backendPromise.then(b => this.doSimulate(tx, b));
     // Return slot to pool when done (success or error)
-    void result.finally(() => backendPromise.then(b => pool.return(b)).catch(() => {}));
+    void result.finally(() => {
+      void backendPromise.then(b => pool.return(b)).catch(() => {});
+    });
 
     return {
       result,

yarn-project/simulator/src/public/public_tx_simulator/measured_public_tx_simulator.ts

@@ -1,6 +1,6 @@
 import type { Fr } from '@aztec/foundation/curves/bn254';
 import { Timer } from '@aztec/foundation/timer';
-import type { PublicSimulatorConfig, PublicTxResult } from '@aztec/stdlib/avm';
+import type { PublicSimulatorConfig } from '@aztec/stdlib/avm';
 import type { Gas } from '@aztec/stdlib/gas';
 import type { AvmSimulationStats } from '@aztec/stdlib/stats';
 import type { MerkleTreeWriteOperations } from '@aztec/stdlib/trees';