Update C4799 warning page

[Rageking8]

Summary:

• Update the warning message to the latest one, together with the other occurrences
• Add link for _mm_empty intrinsic
• Remove extra "use" word
• Add backticks for a bunch of terms
• Add new example
  • Variable m is initialized to zero since it's better practice as opposed to keeping it uninitialized
• Edit metadata

[prmerger-automator]

@Rageking8 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit b91840e:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/error-messages/compiler-warnings/compiler-warning-level-1-c4799.md	✅Succeeded
docs/error-messages/compiler-warnings/compiler-warnings-by-compiler-version.md	✅Succeeded
docs/error-messages/compiler-warnings/compiler-warnings-c4600-through-c4799.md	✅Succeeded

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[prmerger-automator]

PRMerger Results

Issue	Description
File Change Percent	This PR contains file(s) with more than 30% file change.

[ttorble]

@TylerMSFT

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[TylerMSFT]

Nice example. Thank you!

[TylerMSFT]

#sign-off