Knowing the reason(s) why Myanmar got removed from the list of countries on the international driving permit is probably useful for travelers. For example, if the reason is that nowadays it is illegal or that it is too dangerous for a foreigner to drive by themselves in Myanmar, then it's good to know.
In case the question gets removed, here is a copy of it:
Why did Myanmar get removed from the list of countries on the international driving permit issued by the American Automobile Association (AAA)?
Myanmar used to be in 2016-issued international driving permits but it's not on international driving permits currently issued (2019-10-14).
Here is the list of countries in international driving permits currently issued (2019-10-14):
Here is the list of countries in international driving permits issued in 2016: Myanmar is present in the list.
According to the first page of the international driving permit this is the list of the "contracting States:
The AAA online application form for the international driving permit still mentions Myanmar: https://web.archive.org/web/20191015015350/https://www.aaa.com/vacation/application2a.pdf