Don't setup network namespace as we're using the hosts one

src/anbox/container.cpp

@@ -76,7 +76,6 @@ void Container::start() {
         "--proc", "/proc",
         "--unshare-ipc",
         "--unshare-pid",
-        "--unshare-net",
         "--unshare-uts",
         "--chdir", "/",
         "--pid-file", utils::string_format("%s/pid", config::data_path()),

src/anbox/container_connector.cpp

@@ -57,7 +57,6 @@ int ContainerConnector::run(const std::string &path) {
                                                           NamespaceType::pid,
                                                           NamespaceType::uts,
                                                           NamespaceType::ipc,
-                                                          NamespaceType::net,
                                                       }, pid);
 
     // A few things we want to preset in our env within the container shell