Revert "feat(mazenet): per-LAN swarm host pin"

This reverts commit 0d92170a57.

tests/api/topology/test_child_crud.py

@@ -111,78 +111,6 @@ async def test_lan_requires_admin(client, viewer_token):
     assert r.status_code == 403
 
 
-# ── LAN host_uuid (per-Net SWARM assignment) ──────────────────────
-
-
-async def _enroll_host(uuid: str = "h-test", name: str = "test-host") -> str:
-    await _repo.add_swarm_host(
-        {
-            "uuid": uuid,
-            "name": name,
-            "address": "10.99.0.2",
-            "agent_port": 8765,
-            "status": "active",
-            "client_cert_fingerprint": "a" * 64,
-            "cert_bundle_path": "/tmp/test",
-        }
-    )
-    return uuid
-
-
-@pytest.mark.anyio
-async def test_lan_create_with_host_uuid(client, auth_token):
-    topology_id = await _seed("lan-host-create")
-    host_uuid = await _enroll_host("h-create", "host-create")
-    r = await client.post(
-        f"{_V1}/{topology_id}/lans",
-        json={"name": "remote-lan", "host_uuid": host_uuid},
-        headers=_hdr(auth_token),
-    )
-    assert r.status_code == 201, r.text
-    assert r.json()["host_uuid"] == host_uuid
-
-
-@pytest.mark.anyio
-async def test_lan_create_rejects_unknown_host(client, auth_token):
-    topology_id = await _seed("lan-host-bad")
-    r = await client.post(
-        f"{_V1}/{topology_id}/lans",
-        json={"name": "ghost-lan", "host_uuid": "ghost-uuid"},
-        headers=_hdr(auth_token),
-    )
-    assert r.status_code == 400
-
-
-@pytest.mark.anyio
-async def test_lan_patch_host_uuid(client, auth_token):
-    topology_id = await _seed("lan-host-patch")
-    host_uuid = await _enroll_host("h-patch", "host-patch")
-    lans = await _repo.list_lans_for_topology(topology_id)
-    lan_id = lans[0]["id"]
-
-    r = await client.patch(
-        f"{_V1}/{topology_id}/lans/{lan_id}",
-        json={"host_uuid": host_uuid},
-        headers=_hdr(auth_token),
-    )
-    assert r.status_code == 200, r.text
-    assert r.json()["host_uuid"] == host_uuid
-
-
-@pytest.mark.anyio
-async def test_lan_patch_rejects_unknown_host(client, auth_token):
-    topology_id = await _seed("lan-host-patch-bad")
-    lans = await _repo.list_lans_for_topology(topology_id)
-    lan_id = lans[0]["id"]
-
-    r = await client.patch(
-        f"{_V1}/{topology_id}/lans/{lan_id}",
-        json={"host_uuid": "ghost-uuid"},
-        headers=_hdr(auth_token),
-    )
-    assert r.status_code == 400
-
-
 # ── Decky CRUD ────────────────────────────────────────────────────