Remove column from user query
Remove column from user query

The shares_giving column was replaced with the anonymous column. This
change is necessary before the shares_giving column can be removed from
the database. #128

eXcomm/gratipay.com,MikeFair/www.gittip.com,bountysource/www.gittip.com,studio666/gratipay.com,gratipay/gratipay.com,studio666/gratipay.com,bountysource/www.gittip.com,MikeFair/www.gittip.com,eXcomm/gratipay.com,studio666/gratipay.com,bountysource/www.gittip.com,mccolgst/www.gittip.com,eXcomm/gratipay.com,bountysource/www.gittip.com,gratipay/gratipay.com,gratipay/gratipay.com,mccolgst/www.gittip.com,gratipay/gratipay.com,eXcomm/gratipay.com,mccolgst/www.gittip.com,mccolgst/www.gittip.com,studio666/gratipay.com,MikeFair/www.gittip.com