fix(windows): remove our hack to crash on windows for fatal logs

no need to carry some hack when we can use the same standard and cross
platform feature directly from Qt code

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>

src/libsync/logger.cpp

@@ -164,10 +164,6 @@ void Logger::doLog(QtMsgType type, const QMessageLogContext &ctx, const QString
             dumpCrashLog();
             closeNoLock();
             s_originalMessageHandler(type, ctx, message);
-#if defined(Q_OS_WIN)
-            // Make application terminate in a way that can be caught by the crash reporter
-            Utility::crash();
-#endif
         }
     }
     emit logWindowLog(msg);