The UK-broadcasts on 4 I’ve seen showed much more of that violence but in return such things as Fred Fleet screaming “Basterds!” into the phone are missing there.
It goes without saying that if a capture of the pre-2012 version is made where the violence is retained, but the dialogue is censored, there is no need to discard it. The audio from the DVD/BluRay can be used to replace it.
The Channel 4 broadcasts do not just mute the audio track during the profanity, they remove the scenes entirely.