qt: Remove failing `inreplace` for Python 3
qt: Remove failing `inreplace` for Python 3

- This was reported as failing (confirmed by me) in #21130.
- I don't know if any more `inreplace`s are needed if files have moved -
  we'll see from CI!

Closes #21138.

Signed-off-by: Michka Popoff <5d406f95fb0e0230f83654e4a22d0115cc205d59@users.noreply.github.com>

Linuxbrew/homebrew-core,Linuxbrew/homebrew-core