Use concrete types in jit test for generic lists (#23192)
Summary:
Creating an untyped generic list is deprecated, we always want type information to be present.
This fixes test cases and removes one that used lists with ambigious types.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23192
ghstack-source-id: 86972891
Differential Revision: D16431482
fbshipit-source-id: 4ca5cd142118a3f0a4dcb8cd77383127c54abb29
