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


Former-commit-id: 519d2dae288cb2b5bd5beaf873d970082cdf0c38
Former-commit-id: f9d057d302f7d546e7c262a5dc987ae4fafcd534
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy