refactor: remove deprecated signaling api context configuration #2305

Job	Run time
upgradeability-test / test-prepare	3s
verify / unit-tests	2m 55s
deployment-test / test-prepare	3s
deployment-test / secret-presence	1s
verify / verify-helm-docs	8s
verify / verify-formatting	1m 34s
verify / verify-license-headers	2s
verify / api-tests	2m 27s
verify / dataplane-tests	2m 51s
verify / end-to-end-tests (edc-tests/edc-controlplane/catalog-tests)	2m 42s
verify / integration-tests	2m 40s
verify / end-to-end-tests (edc-tests/edc-controlplane/edr-api-tests)	2m 30s
verify / postgres-tests	6m 59s
verify / end-to-end-tests (edc-tests/edc-controlplane/iatp-tests)	5m 15s
verify / end-to-end-tests (edc-tests/edc-controlplane/policy-tests)	2m 16s
verify / end-to-end-tests (edc-tests/edc-controlplane/transfer-tests)	4m 27s
verify / end-to-end-tests (edc-tests/edc-dataplane/edc-dataplane-tokenrefresh-tests)	2m 25s
verify / verify-dependencies / Review-Allowed-Licenses	9s
verify / verify-dependencies / Dash-Verify-Licenses	2m 28s
deployment-test / test-hashicorp-postgres (v1.30.0)	7m 42s
deployment-test / test-in-memory	3m 23s
deployment-test / test-hashicorp-postgres (v1.29.4)	7m 18s
deployment-test / test-hashicorp-postgres (v1.28.9)	7m 19s
deployment-test / test-azure-vault-postgres	0s
upgradeability-test / test-upgradeability	6m 20s
summary	1s
	1h 13m 58s

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