Remove name for not exported service.

mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom

Index: mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom
diff --git a/mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom b/mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom
index 66533cf72c595864229ad9d2fb83efce9cd014ba..394a30aa59837c5d4e27afecb92833ad61e6e47c 100644
--- a/mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom
+++ b/mojo/services/native_viewport/interfaces/native_viewport_event_dispatcher.mojom
@@ -7,7 +7,6 @@ module mojo;
 
 import "input_events/interfaces/input_events.mojom";
 
-[ServiceName="mojo::NativeViewportEventDispatcher"]
 interface NativeViewportEventDispatcher {
   OnEvent(Event event) => ();
 };