title: how to use deleteMany in transaction of mongoose
body: <p>I want to delete an array of model schema from collection.</p>
  <p>for removing one model I use</p>
  <pre><code>    let place = await Place.findById(placeId);
  
      const sess = await mongoose.startSession();
      sess.startTransaction();
      await place.remove({ session: sess });// remove place
      await sess.commitTransaction();
  </code></pre>
  <p>if <code>place</code> is a array</p>
  <pre><code>    let place = await Place.find({title : &quot;Eiffel&quot;}); // Array of Model
  
      const sess = await mongoose.startSession();
      sess.startTransaction();
      await place.deleteMany({ session: sess });// error ????
      await sess.commitTransaction();
  </code></pre>