This is precisely the sort authoritarianism that I was taught to fear around the time I first read his books. Editing old books to comply with the current regime was one of the things that the bad guys did. That was one of the things our ancestors fought against in two world wars.
What would Ronald Dahl say about this? How would you feel if they did this to your writing long after you are gone?
Erasing Rudyard Kipling? WTF did he do wrong? His poetry was inspirational to me, as a child.
Good people cannot allow this to go unchallenged.
Edit: forgive me for expressing emotion.