Clean up signatures (#2621) #6572

Job	Run time
End-to-end tests e2e on K8s 1.23	7m 20s
End-to-end tests e2e-instrumentation on K8s 1.23	7m 27s
End-to-end tests e2e-upgrade on K8s 1.23	6m 58s
End-to-end tests e2e-autoscale on K8s 1.23	6m 31s
End-to-end tests e2e-pdb on K8s 1.23	6m 15s
End-to-end tests e2e-opampbridge on K8s 1.23	6m 14s
End-to-end tests e2e-targetallocator on K8s 1.23	7m 52s
End-to-end tests e2e-prometheuscr on K8s 1.23	6m 51s
End-to-end tests e2e-multi-instrumentation on K8s 1.23	7m 17s
End-to-end tests e2e on K8s 1.29	7m 44s
End-to-end tests e2e-instrumentation on K8s 1.29	7m 28s
End-to-end tests e2e-upgrade on K8s 1.29	6m 47s
End-to-end tests e2e-autoscale on K8s 1.29	6m 36s
End-to-end tests e2e-pdb on K8s 1.29	6m 25s
End-to-end tests e2e-opampbridge on K8s 1.29	6m 28s
End-to-end tests e2e-targetallocator on K8s 1.29	7m 17s
End-to-end tests e2e-prometheuscr on K8s 1.29	6m 49s
End-to-end tests e2e-multi-instrumentation on K8s 1.29	7m 39s
e2e-tests-check	1s
	2h 5m 59s

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