[PRQ#47112] Deletion Request for python2-powerlaw

MarsSeed [1] filed a deletion request for python2-powerlaw [2]: Unneeded Python2 library package from 2019. Not useful to keep. Upstream supports Python3. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python2-powerlaw/