Clean up mentions of removed torch/csrc/generic/*.cpp (#94107)
Summary: The dir was removed in https://github.com/pytorch/pytorch/pull/82373.
Test Plan: Sandcastlle + GitHub CI.
Differential Revision: D43016100
Pull Request resolved: https://github.com/pytorch/pytorch/pull/94107
Approved by: https://github.com/malfet, https://github.com/huydhn, https://github.com/ZainRizvi
