Revert of Add network throttling as an enterprise policy

chromeos/dbus/fake_shill_manager_client.cc

Index: chromeos/dbus/fake_shill_manager_client.cc
diff --git a/chromeos/dbus/fake_shill_manager_client.cc b/chromeos/dbus/fake_shill_manager_client.cc
index 2f22a461b1e3586e25cccbcdddc4e8ef462635e9..5be945b1685f54bdd228a944d5a7f6dadab4db1b 100644
--- a/chromeos/dbus/fake_shill_manager_client.cc
+++ b/chromeos/dbus/fake_shill_manager_client.cc
@@ -586,13 +586,6 @@ void FakeShillManagerClient::SetBestServiceToConnect(
   best_service_ = service_path;
 }
 
-void FakeShillManagerClient::SetNetworkThrottlingStatus(
-    bool enabled,
-    uint32_t upload_rate_kbits,
-    uint32_t download_rate_kbits,
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {}
-
 void FakeShillManagerClient::SetupDefaultEnvironment() {
   // Bail out from setup if there is no message loop. This will be the common
   // case for tests that are not testing Shill.