ns for fx: docblock fixes (#52925)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52925
Cleans up some incorrect comments and docblocks in
`numeric_suite_core_apis.py`.
Test Plan:
CI
Imported from OSS
Reviewed By: raghuramank100
Differential Revision: D26693472
fbshipit-source-id: 17f3ff464c6ea01374bcc6ac5899da7034627152
