Fix summary formatting in DefaultCredentialsLoader.xml

[Alma Jenks (v-alje)]

Removing reference to dSMS

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

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[learn-build-service-prod]

Learn Build status updates of commit 45f7a48:

✅ Validation status: passed

File	Status	Preview URL	Details
dotnet/xml/Microsoft.Identity.Web/DefaultCredentialsLoader.xml	✅Succeeded	View

For more details, please refer to the build report.

[Regan Downer (v-regandowner)]

Celeste de Guzman (@CelesteDG)

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