[cleanup] Cleanup TODO list
[cleanup] Cleanup TODO list

remove "Rewrite help parser to support earlier releases" from TODO list.
MW 1.10 seems early enough.

Change-Id: Idaae1e38cf2234dfbb8a994cf48a790602e824ed

wikimedia/pywikibot-core,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core