Some TODO fixes. (#37829)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37829
- Removes memset not needed.
- Removed separate packing function added for dynamic linear.
Test Plan:
Quantized tests.
Imported from OSS
Differential Revision: D21404841
fbshipit-source-id: b24fc36961a65a9be3d4c12768031ea70bae4394
