[package] merge test_torchscript into test_package_script (#61807)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61807
These shouldn't be separate files, they test the same thing
Differential Revision:
D29748967
D29748967
Test Plan: Imported from OSS
Reviewed By: Lilyjjo
Pulled By: suo
fbshipit-source-id: 177f40fa460d00d064dfd1f33a0b6656b214a296