storage: remove unused option db2nosql_resource_id_maxlen
storage: remove unused option db2nosql_resource_id_maxlen

Change-Id: I7f6376c7f9afd7015c11054d326be1b0fd7122de

pczerkas/aodh,openstack/aodh,sileht/aodh,pczerkas/aodh,sileht/aodh,openstack/aodh