Enable automatic cleanup of unused appv packages

Supported on: At least Windows Server 2016 or Windows 10

Registry

HKLM SOFTWARE\Policies\Microsoft\AppV\Client\PackageManagement

Value name: AutoCleanupEnabled

Enabled: AutoCleanupEnabled = 1

Disabled: AutoCleanupEnabled = 0

Enables automatic cleanup of appv packages that were added after Windows10 anniversary release.