vikidia_family.py: Remove ignore_certificate_error function
vikidia_family.py: Remove ignore_certificate_error function

The mentioned issue (self-signed certificate for a different domain) seems
to have been rectified.

Bug: T171164
Change-Id: I78eb9b08735ee1a7ef40c578b21ab66993023fc0

happy5214/pywikibot-core,magul/pywikibot-core,npdoty/pywikibot,wikimedia/pywikibot-core,npdoty/pywikibot,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,happy5214/pywikibot-core,magul/pywikibot-core