Sparse SoftMax: Remove unused variables (#65539)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65539
This function doesn't directly use thrust so these are simply unused variables.
Test Plan: Imported from OSS
Reviewed By: gchanan
Differential Revision: D31193191
Pulled By: malfet
fbshipit-source-id: 231b6a197c9f1bd5a61e46cb858e8eedc85b2818
