Remove AT_FORALL_SCALAR_TYPES_WITH_COMPLEX_EXCEPT_COMPLEX_HALF, which isn't used anymore.
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/22932
Test Plan: Imported from OSS
Differential Revision: D16467978
Pulled By: gchanan
fbshipit-source-id: 1dafde39a63c4109a8bc5fb31b9ffe5071d6dc53
