fix: remove unused watch_event_query binding, prefix dead field for clippy -D warnings

crates/application/src/import/create_session.rs

@@ -17,7 +17,9 @@ pub async fn execute(
     cmd: CreateImportSessionCommand,
 ) -> Result<CreateSessionResult, DomainError> {
     let user_id = UserId::from_uuid(cmd.user_id);
-    deps.import_session.delete_expired_for_user(&user_id).await?;
+    deps.import_session
+        .delete_expired_for_user(&user_id)
+        .await?;
 
     let parsed = deps
         .document_parser