Remove import dregs from client #19204

Job	Run time
docker, python:3.9	4m 47s
Server Tests - python:3.9, postgres:14	9m 24s
typesafety	2m 10s
Server Tests - python:3.10, postgres:14	9m 24s
Server Tests - python:3.11, postgres:14	8m 51s
docker, python:3.10	4m 49s
Server Tests - python:3.12, postgres:14	8m 26s
docker, python:3.11	4m 59s
Server Tests - python:3.9, sqlite	11m 27s
docker, python:3.12	4m 29s
Server Tests - python:3.10, sqlite	11m 13s
Server Tests - python:3.11, sqlite	10m 44s
Server Tests - python:3.12, sqlite	9m 44s
Client Tests - python:3.9, postgres:14	11m 27s
Client Tests - python:3.10, postgres:14	11m 22s
Client Tests - python:3.11, postgres:14	10m 51s
Client Tests - python:3.12, postgres:14	9m 29s
Runner and Worker Tests - python:3.9, postgres:14	2m 12s
Runner and Worker Tests - python:3.10, postgres:14	2m 10s
Runner and Worker Tests - python:3.11, postgres:14	2m 5s
Runner and Worker Tests - python:3.12, postgres:14	2m 16s
combine-coverage	42s
	2h 33m 1s

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