Deletion of Stowarzyszenie Harcerstwa Katolickiego Zawisza

Comment: per rationale of Graeme Bartlett, there are references on the :pl:Stowarzyszenie Harcerstwa Katolickiego Zawisza|Polish edition, and extra care should be observed regarding  BIAS per non-Anglosphere topics
Stance: keep
Cited policy: Wikipedia:Systemic bias (WP:SYSTEMIC)