[PyTorch Edge] Remove LinearPackedParamsBase __getstate__/__setstate__ from check_forward_backward_compatibility.py Allowlist (#81048)
Summary: The changes to __getstate__ and __setstate__ have been landed so now we won't have backwards compatibility issues
Test Plan: CI Tests
Reviewed By: kimishpatel
Differential Revision: D37686915
Pull Request resolved: https://github.com/pytorch/pytorch/pull/81048
Approved by: https://github.com/kimishpatel
