worker/jobs/downloads/update_metadata: Remove unnecessary versions_published_by::insert() call

We don't need this in the database for the test cases in this module.

Author: Turbo87

src/worker/jobs/downloads/update_metadata.rs

@@ -107,7 +107,6 @@ mod tests {
     use super::*;
     use crate::models::{Crate, NewCrate, NewUser, NewVersion, User, Version};
     use crate::schema::{crate_downloads, crates, versions};
-    use crates_io_database::models::versions_published_by;
     use crates_io_test_db::TestDatabase;
     use diesel::sql_types::Timestamptz;
     use diesel_async::AsyncConnection;
@@ -139,10 +138,6 @@ mod tests {
 
         let version = version.save(conn).await.unwrap();
 
-        versions_published_by::insert(version.id, "[email protected]", conn)
-            .await
-            .unwrap();
-
         (krate, version)
     }