ref(ci): test_distributed only runs clickhouse_db tests

[untitaker]

All of our tests are segmented by whether they need clickhouse to run or not, using the clickhouse_db marker. All the tests that do not need clickhouse don't need to be re-run in test_distributed.

Also refactor test matrix so we have fewer conditional steps.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
2860	1	2859	11

View the top 1 failed tests by shortest run time

tests.utils.test_check_clickhouse::test_filter_checked_storages

Stack Traces | 0.462s run time

Traceback (most recent call last):
  File ".../tests/utils/test_check_clickhouse.py", line 190, in test_filter_checked_storages
    assert errors_storage in storages
AssertionError: assert <snuba.datasets.storage.ReadableTableStorage object at 0x7f600f931ad0> in [<snuba.datasets.storage.ReadableTableStorage object at 0x7f5fe2de8e90>]

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