Disable Chromium's crash handler
Summary:
The crash handler was overriding DrKonqi so we were not getting
DrKonqi when KMail (or any other app using QtWebEngine) crashed.
Test Plan:
kill -ABRT $(pidof kmail) opens DrKonqi instead of just making
KMail dump stracktrace to stderr
Reviewers: mlaurent
Reviewed By: mlaurent
Subscribers: kde-pim, mlaurent
Tags: KDE PIM
Differential Revision: https://phabricator.kde.org/D16004