Stop generating autograd functions for derivatives.yaml entries that only specify output differentiability. (#19424)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/19424
ghimport-source-id: e9d1b86742607f5cbe39fb278fa7f378739cd6ef
Differential Revision: D15003380
Pulled By: gchanan
fbshipit-source-id: 8efb94fbc0b843863021bf25deab57c492086237
