Allow deletion from known admin pubkeys
Some deletion, should be approuved by other nodes, by configuration.
Example :
[2020-01-28 11:57:40,503][WARN ][duniter.p2p.history ] [es-g1-01] [g1] [ES_USER_API g1.data.duniter.fr 443] [history/delete/AWgDr1O6DqOegtDoxpdK] Could not delete this document: not same [recipient].. Skipping.
[2020-01-28 11:57:40,505][WARN ][duniter.p2p.history ] [es-g1-01] [g1] [ES_USER_API g1.data.duniter.fr 443] [history/delete/AWgDr1O4DqOegtDoxpdI] Could not delete this document: not same [recipient].. Skipping.
The deletion has been done by the pubkey of BenoitLavenier, the owner of g1.data.duniter.fr