Removing old code signing reference

[trwalke]

Removing old code signing reference

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Summary of the changes (Less than 80 chars)

Description

{Detail}

Fixes #{bug number} (in this specific format)

[trwalke]

Build: https://identitydivision.visualstudio.com/IDDP/_build/results?buildId=1330552&view=results

[jennyf19]