removed padding and dilation from LPPool2d Doc (#33714)
Summary:
removed padding and dilation from LPPool2d Doc as the function dose not support padding and dilation
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33714
Differential Revision: D20097021
Pulled By: ngimel
fbshipit-source-id: fc1c2d918b32f4b45c7e6e6bd93f018e867a628f
