wsman-soap-envelope: drop superflows malloc
wsman-soap-envelope: drop superflows malloc

sentry object allocation will be overwritten by the key_value_create
at the following lines so it is not needed.

Signed-off-by: Tomas Winkler <002a8af089113a6510dbc00453be711ac350fd80@intel.com>
Signed-off-by: Alexander Usyskin <2c2d03d7dae842f113743879f565d486184f22a3@intel.com>

kkaempf/openwsman,vcrhonek/openwsman,vcrhonek/openwsman,Openwsman/openwsman,kkaempf/openwsman,kkaempf/openwsman,Openwsman/openwsman,kkaempf/openwsman,vcrhonek/openwsman,vcrhonek/openwsman,Openwsman/openwsman,kkaempf/openwsman,Openwsman/openwsman,Openwsman/openwsman,Openwsman/openwsman,vcrhonek/openwsman,Openwsman/openwsman,vcrhonek/openwsman,kkaempf/openwsman,kkaempf/openwsman,vcrhonek/openwsman