Revert "fix(device-edge): route Core through dedicated egress"

This reverts commit 20ef5894cc.

device-plane/deployment/device-edge-core-channel-upgrade-v3.json

@@ -1,34 +0,0 @@
-{
-  "schemaVersion": "nodedc.device-plane.device-edge-core-channel-upgrade.v3",
-  "transitionId": "__PATCH_ID__",
-  "action": "upgrade",
-  "upgradePredecessor": {
-    "patchId": "device-edge-core-channel-upgrade-v2-20260812-021",
-    "artifactSha256": "e40a6fd24edfecac09e42cd82635a77850541bcf047788db3e9c55d2b9e58867"
-  },
-  "service": "device-control-core",
-  "composeActivation": "replace-core-network-membership-with-private-plus-egress",
-  "identity": "reuse-existing-runner-managed-host-local-private-key-public-certificate-export",
-  "identityRecovery": "forbidden-valid-existing-identity-required",
-  "tlsPurpose": "clientAuth",
-  "direction": "core-initiated",
-  "endpointPolicy": "public-ipv4-standard-https-tcp-443-only",
-  "coreNetworks": [
-    "device-plane-private",
-    "device-plane-egress"
-  ],
-  "removedCoreNetwork": "device-plane-control",
-  "composeCompatibility": "synology-compose-v2.20-no-gw-priority",
-  "publicIngress": "none-on-synology",
-  "edgeRegistrations": "preserved",
-  "commandTransport": "disabled",
-  "gelios": "untouched",
-  "preservedServices": [
-    "device-manager",
-    "device-gateway",
-    "device-postgres",
-    "device-backhaul-target"
-  ],
-  "healthGate": "bounded-container-grace+core-edge-contract",
-  "rollback": "restore-upgrade-v2-021-source-and-preapply-core-runtime"
-}

device-plane/docker-compose.device-plane.yml

@@ -70,6 +70,7 @@ services:
       - "127.0.0.1:18120:18120"
     networks:
       - device-plane-private
+      - device-plane-control
     depends_on:
       device-postgres:
         condition: service_healthy