Revert D32994274: [ONNX] Link to the wiki (#68505)
Test Plan: revert-hammer
Differential Revision:
D32994274 (https://github.com/pytorch/pytorch/commit/a606ea73d692224939adede71be172403149768c)
Original commit changeset: 34d54f935799
Original Phabricator Diff: D32994274 (https://github.com/pytorch/pytorch/commit/a606ea73d692224939adede71be172403149768c)
fbshipit-source-id: 81fc96c2aff9d14efb5e092fffd0685e507837e6
