Clean up signatures #6555

Job	Run time
End-to-end tests e2e on K8s 1.23	6m 1s
End-to-end tests e2e-instrumentation on K8s 1.23	6m 41s
End-to-end tests e2e-upgrade on K8s 1.23	5m 28s
End-to-end tests e2e-autoscale on K8s 1.23	4m 43s
End-to-end tests e2e-pdb on K8s 1.23	7m 19s
End-to-end tests e2e-opampbridge on K8s 1.23	4m 45s
End-to-end tests e2e-targetallocator on K8s 1.23	5m 58s
End-to-end tests e2e-prometheuscr on K8s 1.23	5m 11s
End-to-end tests e2e-multi-instrumentation on K8s 1.23	6m 15s
End-to-end tests e2e on K8s 1.29	5m 28s
End-to-end tests e2e-instrumentation on K8s 1.29	8m 7s
End-to-end tests e2e-upgrade on K8s 1.29	7m 7s
End-to-end tests e2e-autoscale on K8s 1.29	4m 48s
End-to-end tests e2e-pdb on K8s 1.29	4m 46s
End-to-end tests e2e-opampbridge on K8s 1.29	4m 37s
End-to-end tests e2e-targetallocator on K8s 1.29	5m 46s
End-to-end tests e2e-prometheuscr on K8s 1.29	4m 55s
End-to-end tests e2e-multi-instrumentation on K8s 1.29	8m 44s
e2e-tests-check	3s
	1h 46m 42s

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