metrics: remove the Heartbeat distribution #23104

Job	Run time
chunks (1, Unit Test(1))	4m 4s
chunks (2, Unit Test(2))	3m 0s
chunks (3, Unit Test(3))	4m 3s
chunks (4, Tests(1))	5m 2s
chunks (5, Tests(2))	4m 46s
chunks (6, Tools Test)	4m 49s
chunks (7, Client Integration Test)	3m 52s
chunks (8, TSO Integration Test)	4m 8s
chunks (9, Microservice Integration(!TSO))	3m 53s
chunks (10, Microservice Integration(TSO))	4m 27s
report-coverage	14s
	42m 18s

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