BulkOperations API Implementation for Remove Operations in MongoItemWriter

[parikshitdutta]

While reviewing performance incentive in MongoItemWriter post BulkOperations API implementation to handle save operations #3713, we can implement respective BulkOperation API for removal as well.

[parikshitdutta]

Hi @benas ,
I can put together the required changes for this, if you see value in this, Please assign me.

Thank you.

[parikshitdutta]

Hi @benas, Please have a look at PR #3746. I will look forward to your feedback.

Thank you.

[fmbenhassine]

Resolved with #3746 .