remove self arg from order traces
remove self arg from order traces


Former-commit-id: da99ec934cea04bfd9a096657334f9a993480967
Former-commit-id: b0fc244b9562321407c78c68f2eef90546028a1b
Former-commit-id: 016fb38ac7409ae066a0520abc42fd338e50dd27
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy