Removing faulty hyperLogLog merge function

When Who What
2016-05-09 20:13:28 Peter Geoghegan (pgeoghegan) Closed in commitfest 2016-09 with status: Committed
2016-05-09 20:13:28 Peter Geoghegan (pgeoghegan) Closed in commitfest 2016-09 with status: Committed
2016-05-09 20:13:28 Peter Geoghegan (pgeoghegan) Changed committer to rhaas
2016-05-09 19:28:22 Fabien Coelho (calvin) Added calvin as reviewer
2016-04-26 02:41:14 Peter Geoghegan (pgeoghegan) Changed authors to Peter Geoghegan (pgeoghegan)
2016-04-26 02:41:06 Peter Geoghegan (pgeoghegan) Attached mail thread CAM3SWZRUOLsYoTT83QgdUy9D8ehYWm_nvbrrfcOOzikiRfFY7g@mail.gmail.com
2016-04-26 02:41:06 Peter Geoghegan (pgeoghegan) Created patch record