Remove notify_failures from test-all-warehouses.yml #3861

Job	Run time
check-fork-status	4s
approve-fork	0s
test (latest_official, trino) / test	29m 41s
test (latest_official, postgres) / test	17m 46s
test (latest_official, bigquery) / test	33m 29s
test (latest_pre, postgres) / test	17m 39s
test (latest_official, athena) / test	35m 7s
test (latest_official, dremio) / test	31m 23s
test (latest_official, redshift) / test	1h 56m 12s
test (latest_official, snowflake) / test	19m 13s
test (fusion, snowflake) / test	16m 37s
test (fusion, databricks_catalog) / test	17m 57s
test (fusion, bigquery) / test	19m 42s
test (latest_official, databricks_catalog) / test	37m 28s
test (fusion, redshift) / test	1h 52m 55s
test (latest_official, clickhouse) / test	4m 18s
	8h 29m 31s

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