Removed local NuGet package that was causing build issues for KeyVault on the Stack solution

[MiYanni]

Description

I found that the Stack solution wasn't building due to a Local version of HttpRecorder. Removing this from the repo allowed this solution to build properly.

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[markcowl]

@MiYanni The Travis build is failing not sure if it requires a package in LocalFeed, or if it needs to have the version of the test framework package updated. @hovsepm or @twitchax could help you debug.

[maddieclayton]

@azuresdkci Test this please

[twitchax]

@azuresdkci test this please.

[MiYanni]

@twitchax Is this ready to merge? I wasn't sure if the PR you made for my branch was all that was needed. It builds now, so I'd think it is ready to go. (Just needs a review approval)

[maddieclayton]

on demand run here: https://azuresdkci.westus2.cloudapp.azure.com/view/PowerShell/job/powershell-demand/324/