Remove featured.py out of the script_tests.py
Remove featured.py out of the script_tests.py

- featured.py is archived and  longer compatible with Wikimedia sites.
  It is not tested anymore because it resides in archive folder.
  The featured parts could be removed then.

Change-Id: I4ebb7de9a234a2da646f4b5a634851248a6ba478

happy5214/pywikibot-core,jayvdb/pywikibot-core,wikimedia/pywikibot-core,magul/pywikibot-core,happy5214/pywikibot-core,hasteur/g13bot_tools_new,jayvdb/pywikibot-core,hasteur/g13bot_tools_new,Darkdadaah/pywikibot-core,npdoty/pywikibot,hasteur/g13bot_tools_new,npdoty/pywikibot,magul/pywikibot-core,PersianWikipedia/pywikibot-core,Darkdadaah/pywikibot-core,wikimedia/pywikibot-core