It does in windows at least...
Bonus TIL: r/todayilearned and r/til are two different subreddits.... so technically this is a cross post from r/til.
Not as easy as ctrl+x & ctrl+v, but blew my mind nonetheless when I hit shift+insert on accident instead of shift+home to select text.
To summerise - Left clicked on username edit field; used the down arrow. I hit the downarrow until the name I wanted to remove was highlighted, then hit delete. Problem solved.
Here's an example: