PARAMETER Uninstall
A switch parameter that, when present, will deprovision MSTeams using the Teamsbootstrapper.exe and uninstall the MSTeams AppcPackage for AllUsers. Uninstall will delete the registry key: HKLM\Software\Wow6432Node\Microsoft\Office\Teams that can can block installations of MSTeams.
Uninstall will attempt to remove InstallMSTeams RunOnce registry item for Default User and existing profiles that may have been set by SetRunOnce.