Only USA, Northern Ireland and the Republic of Ireland call it Whiskey. Any other country not mentioned that distills and bottles Whisky does not use the 'e'.
Last year I had a bottle of whisky from India which I’m pretty sure also dropped the e. That too was a lovely drink and could easily have been mistaken for scotch.
https://scotchwhisky.com/magazine/features/19680/not-all-jap...
I hate to link to Bloomberg but this article is pretty good:
https://www.bloomberg.com/news/articles/2019-09-19/that-expe...