[XenClient]: remove unnecessary startup checks which involved calling 'ps'. These aren't useful in a regular dom0 and don't work in a XenClient dom0 anyway.
[XenClient]: remove unnecessary startup checks which involved calling 'ps'. These aren't useful in a regular dom0 and don't work in a XenClient dom0 anyway.

Signed-off-by: Jonathan Ludlam <e7e3380887a8f95cc9dc4f0d51dedc7e849a287a@eu.citrix.com>
Acked-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

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