Backport of NET-10685 - Remove dns v2 code into release/1.19.x #12866

Job	Run time
Get files changed and conditionally skip CI	27s
get-envoy-versions / Determine supported Envoy versions	8s
get-go-version / Determine Go toolchain version	7s
Setup	8s
integration-test-with-deployer	2m 44s
Generate Envoy Job Matrices	9s
dev-build / build	1m 3s
envoy-integration-test (server, case-cross-peer-control-plane-mgw\|case-wasm\|case-terminating-gate...	6m 41s
envoy-integration-test (server, case-expose-checks\|case-consul-exec\|case-cfg-resolver-svc-failove...	6m 39s
envoy-integration-test (server, case-terminating-gateway-simple\|case-cfg-resolver-features\|case-c...	5m 59s
envoy-integration-test (server, case-grpc\|case-cfg-router-features)	2m 29s
nomad-integration-test (v1.7.7)	2m 49s
vault-integration-test (1.16.2)	2m 4s
envoy-integration-test (client, case-cross-peer-control-plane-mgw\|case-wasm\|case-terminating-gate...	6m 30s
nomad-integration-test (v1.6.10)	2m 28s
vault-integration-test (1.15.6)	1m 58s
envoy-integration-test (client, case-expose-checks\|case-consul-exec\|case-cfg-resolver-svc-failove...	6m 32s
nomad-integration-test (v1.5.17)	2m 30s
vault-integration-test (1.14.10)	2m 21s
envoy-integration-test (client, case-terminating-gateway-simple\|case-cfg-resolver-features\|case-c...	14m 38s
envoy-integration-test (client, case-grpc\|case-cfg-router-features)	2m 33s
compatibility-integration-test	14m 58s
test-integrations-success	1s
	1h 25m 56s

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