Clarify NU1105

[nkolev92]

Fixes https://github.com/NuGet/docs.microsoft.com-nuget/issues/1052

For the reference feature see: NuGet/Home#5820

[karann-msft]

Docs Build status updates of commit 6ba6991:

✅ Validation status: passed

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[zivkan]

I've heard podcasts where people starting in the industry say that hearing or reading words like "just", "simply", "obviously", and other similar words, make them think they might not be cut out for the industry when the information was new to them. We should avoid phrasing sentences in ways that could be interpreted as implying some knowledge should already be known.

[karann-msft]

Docs Build status updates of commit 38c4089:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/reference/errors-and-warnings/NU1105.md	✅Succeeded	View

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Note: If you changed an existing file name or deleted a file, broken links in other files to the deleted or renamed file are listed only in the full build report.