update out-of-date URL for Intel optimization guide

[jingxu10]

Fixes #2629

Description

Checklist

• The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• Only one issue is addressed in this pull request
• Labels from the issue that this PR is fixing are added to this pull request
• No unnecessary issues are included into this pull request.

cc @svekars @carljparker @jgong5 @mingfeima @XiaobingSuper @sanchitintel @ashokei @ZailiWang @ZhaoqiongZ @leslie-fang-intel @Xia-Weiwen @sekahler2 @CaoE @zhuhaozhe @Valentine233 @sekyondaMeta @NicolasHug @kit1980 @subramen

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/2657

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✅ You can merge normally! (1 Unrelated Failure)

As of commit 1f159ad with merge base ab4e99a ():

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Build tutorials / pytorch_tutorial_build_manager (gh)

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