Updated low-quality settings description

[Mariangela]

• Fixes https://github.com/MicrosoftDocs/mixed-reality/issues/660
• Content: Recommended settings for Unity - Mixed Reality Content Source: mixed-reality-docs/mr-dev-docs/develop/unity/recommended-settings-for-unity.md

hacktoberfest 2022

[prmerger-automator[bot]]

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

[opbld32]

Learn Build status updates of commit c58d846:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
mixed-reality-docs/mr-dev-docs/develop/unity/recommended-settings-for-unity.md	:white_check_mark:Succeeded

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