Cleanup some settings from settings_test.py #18104

Job	Run time
detect what files changed	4s
pre-commit hooks	33s
Linting - Rust	2m 31s
Dataset Config Validation	31s
self-hosted-end-to-end	19m 55s
Build snuba CI image	9m 47s
mypy typing	1m 4s
Publish Snuba to DockerHub	0s
Front end tests for snuba admin	52s
sentry (0)	5m 19s
Tests and code coverage (test)	10m 12s
Tests on multiple clickhouse versions (23.8.11.29.altinitystable)	10m 17s
Tests and code coverage (test_rust)	4m 41s
sentry (1)	5m 5s
Tests and code coverage (test_distributed)	17m 54s
Tests and code coverage (test_distributed_migrations)	2m 33s
sentry (2)	5m 29s
sentry (3)	5m 12s
	1h 41m 59s

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