Remove old test cases from test.xml

Change-Id: Iff77640993fcecf097a85f4b038ed75ef96d5eb2
Signed-off-by: Valerio Valerio <valerio.valerio@jollamobile.com>
Reviewed-by: Matthew Vogt <matthew.vogt@qinetic.com.au>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>