class_docstr: Wrap MongoDB with three primary methods `read`, `write`, `remove`.
  
  Attributes
  ----------
  host : str
     Hostname or MongoDB compliant full credentials+address+database
     specification.
  
  Information on MongoDB `connection string
  <https://docs.mongodb.com/manual/reference/connection-string/>`_.
  
  .. seealso:: :class:`orion.core.io.database.Database` for more on attributes.
docstr: Remove index from the database
docstr_tok: ["Remove","index","from","the","database"]
code: def drop_index(self, collection_name, name):
      """Remove index from the database"""
      dbcollection = self._db[collection_name]
      dbcollection.drop_index(name)
  
imports: import functools
  import pymongo
  from orion.core.io.database import Database, DatabaseError, DatabaseTimeout, DuplicateKeyError
label_desc: Use image node_id 10 for calling the MongoDB obj's underlying member method code with example usage: obj.drop_index(collection_name, name) without return types