public async Task <IActionResult> DeleteDesignation([FromRoute] int id)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            var designation = await _context.GetById(id);

            if (designation == null)
            {
                return(NotFound());
            }

            await _context.Delete(designation);


            return(Ok(designation));
        }