Bug 1156023 - [eap6] It's not possible to change a datasource configuration
when the EAP6 is in 'needs a reload' state

Removed special __OOB property from config coming from server

(cherry picked from commit a8e0db3103d5a0324fc3fe62b9081af0e6fdbe46)
Signed-off-by: Thomas Segismont <tsegismo@redhat.com>