osquery/extensions/impl_fbthrift.cpp are moved to fbcode/osquery/sdk
osquery/extensions/impl_fbthrift.cpp are moved to fbcode/osquery/sdk

Summary:
As far as this file is only for internal build, to be able to build osquery sdk against fbthrift I moved it to fbcode from oss.
Later if we want to osqeruy work with fbthrift we can copy/move it again

Reviewed By: marekcirkos

Differential Revision: D14124448

fbshipit-source-id: aaeadb40a6fac19621423b225cf6d522607d1313

hackgnar/osquery,hackgnar/osquery,hackgnar/osquery