Cleanup LogFile after moving ftp connection logic to FileDepotFtp

So, I think this is replaced by the code below.

But, @brandondunne where do we do the define the `destination_directory` called from here:
```ruby
  def destination_file
    @destination_file ||= File.join(destination_path, file.destination_file_name)
  end

  def destination_path
    @destination_path ||= File.join(base_path, file.destination_directory)
  end
```