We currently set AuxiliaryProcessProxy::processID to non-useful values, causing weird behavior like suspending/resuming the flatpak-spawn or bwrap intermediate processes instead of the WebKit auxiliary process, terminating the intermediate process instead of the WebKit process, etc. Let's temporarily disable all pid-based functionality until we find a way to fix the pids we use.
Pull request: https://github.com/WebKit/WebKit/pull/21874