(#223) Removes Chocolatey Install Script from Repository

[JPRuskin]

Description Of Changes

The QSG now pulls the latest-current version at install time, which means we no longer have to keep it updated in two places.

Additionally, it allows for overriding the script by downloading it in advance to the specified location. This may or may not solve #227.

Finally, there's a little bit of "check that it's signed by us" logic, which is arguably fairly unhelpful - but might prevent folk getting a copy that says "This PS1 file has been flagged by $Antivirus", at the very least.

Motivation and Context

There was a copy of the script available in the

Testing

• Deployed to Server 2019 image
• Observed that the script was downloaded
• Observed that the script was uploaded to the choco-install raw repository

Operating Systems Testing

• Windows Server 2019

Change Types Made

• Feature / Enhancement (non-breaking change).

Change Checklist

• All new and existing tests passed?

Related Issue

Fixes #223

[ryanrichter94]

Waiting to merge. Want to have discussion on if this truly fixes #227 before doing so.