No, they're just removed from your friends list and you're removed from their friends list. Nothing more, nothing less.
If you would like a citation, you can check the wiki page for the friends list, where it notes that "The knight you unfriended will not receive a message that you have removed them from your friends list; but they may notice your name is gone from their friends list."
No, they're just removed from your friends list and you're removed from their friends list. Nothing more, nothing less.
If you would like a citation, you can check the wiki page for the friends list, where it notes that "The knight you unfriended will not receive a message that you have removed them from your friends list; but they may notice your name is gone from their friends list."