(AB-327541) Update machine configuration terminology

[michaeltlombardi]

PR Summary

• Fixes AB#327541
• Resolves Incorrect terminology for Azure Machine Configuration feature #267

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit 302d203:

✅ Validation status: passed

File	Status	Preview URL	Details
dsc/docs-conceptual/dsc-1.1/resources/authoringResourceClass.md	✅Succeeded	View (dsc-1.1)
dsc/docs-conceptual/dsc-1.1/toc.yml	✅Succeeded	View (dsc-1.1)
dsc/docs-conceptual/dsc-2.0/concepts/class-based-resources.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/concepts/configurations.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/concepts/import-dscresource.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/how-tos/configurations/depends-on.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/how-tos/configurations/write-and-compile.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/how-tos/resources/authoring/class-based.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/how-tos/resources/authoring/composite.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/overview.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/reference/PSDscResources/overview.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/toc.yml	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/tutorials/create-class-based-resource.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-2.0/tutorials/create-dsc-resource-machine-config.md	✅Succeeded	View (dsc-2.0)
dsc/docs-conceptual/dsc-3.0/getting-started/getting-started.old.md	✅Succeeded	View (dsc-3.0)

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