Revert "loader/dri3: Check for window destruction in dri3_wait_for_event_locked"

This reverts commit d7d7687829875e401690219d4a72458fb2bbe4de.

It caused freezes with e.g. kwin_x11 due to hitting the 1s timeout.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3214
Reopens: https://gitlab.freedesktop.org/mesa/mesa/-/issues/116
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5722>
2 files changed