Removed jackson version 2.8.6 as we are using 2.6.6
Removed jackson version 2.8.6 as we are using 2.6.6

Signed-off-by: coduz <ded987c534c96b462feeee54a345bec2d025746a@eurotech.com>

LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua,stzilli/kapua,LeoNerdoG/kapua