Remove forceClone. It has no tests and no uses, so I don't know how to change things in a way that keeps it intact

Hello @eford1, 

Please review the following commits I made in branch 'nick-forceclone'.

fa1e1e5f3f3274be254cbf7bf535b47375857140 (2013-09-03 16:33:13 -0400)
Remove forceClone. It has no tests and no uses, so I don't know how to change things in a way that keeps it intact


R=@eford1