The samplae xlsx has been removed

@imunklovarian, here is the link to the sample document -https://docs.google.com/spreadsheets/d/1yKAHxUtySDT0bA-eaI-WuawN6WHSGmgh...

I've also updated the README text.

Thanks for brining this to our attention.

Automatically closed - issue fixed for 2 weeks with no activity.