Remove trial selection tier #270089

Job	Run time
detect what files changed	12s
requirements check	0s
monolith-dbs test	0s
cli test	0s
check migration	0s
api docs test	0s
Backend	2s
api url typescript generation	0s
backend typing	0s
backend migration tests	0s
select tests	-1s
backend test	-1s
calculate test shards	-1s
	11s

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