[hyperv-hcs] Reintroduce delete_endpoint

Author: xmkg

src/platform/backends/hyperv_api/hcs_virtual_machine.cpp

@@ -175,6 +175,12 @@ void try_create_endpoints(
     std::vector<multipass::hyperv::hcn::CreateEndpointParameters> created_endpoints;
     for (const auto& endpoint : create_endpoint_params)
     {
+        if (HCN().delete_endpoint(endpoint.endpoint_guid))
+        {
+            mpl::warn(vm_name,
+                      "Endpoint {} was already present, removed it.",
+                      endpoint.endpoint_guid);
+        }
         if (const auto result = HCN().create_endpoint(endpoint))
             created_endpoints.push_back(endpoint);
         else