refactor: remove old integration tests #4156

Job	Run time
E2E Automine Stratus in-memory / Setup and Run E2E	3m 34s
E2E Clock Stratus Rocks / Setup and Run E2E	4m 23s
E2E Clock Stratus in-memory / Setup and Run E2E	4m 36s
E2E Automine Stratus Rocks / Setup and Run E2E	3m 39s
E2E External Stratus in-memory / Setup and Run E2E	3m 31s
E2E External Stratus Rocks / Setup and Run E2E	3m 29s
	23m 12s

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