docstr: Deletes a column, given its column ID and its site ID
  
  site_id: GUID of the site in which the column is present
  column_id: GUID of the column which is to be deleted
  
  Returns
  None
docstr_tok: ["Deletes","a","column",",","given","its","column","ID","and","its","site","ID","site_id",":","GUID","of","the","site","in","which","the","column","is","present","column_id",":","GUID","of","the","column","which","is","to","be","deleted","Returns","None"]
code: def delete_a_site_columns(self, site_id: str, column_id: str) -> None:
      """
      Deletes a column, given its column ID and its site ID
  
      site_id: GUID of the site in which the column is present
      column_id: GUID of the column which is to be deleted
  
      Returns
      None
      """
      url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/columns/{column_id}"
      delete_an_entity(url=url, bearer_token=self.bearer_token)
  
imports: from datetime import datetime, timezone
  from typing import Text, List, Dict, Any
  from mindsdb.integrations.handlers.sharepoint_handler.utils import bearer_token_request, get_an_entity, delete_an_entity, update_an_entity, create_an_entity
label_desc: Use image node_id 21 for calling the SharepointAPI obj's underlying member method code with example usage: obj.delete_a_site_columns(site_id, column_id) without return types