www/py-django-haystack: Maintainer reset

There have been multiple consecutive maintainer timeouts of this port
maintained by Kristaps Kulis <kristaps.kulis@gmail.com>. We thank
Kristaps for all his efforts and hope to welcome him back in the future.

PR: 261318
MFH: 2022Q1
(cherry picked from commit f3aaf9cb79094c173473da26addcd9242c211a2b)