Revert of Mojo: Armed Watchers

mojo/public/cpp/bindings/lib/interface_ptr_state.h

Index: mojo/public/cpp/bindings/lib/interface_ptr_state.h
diff --git a/mojo/public/cpp/bindings/lib/interface_ptr_state.h b/mojo/public/cpp/bindings/lib/interface_ptr_state.h
index d1cd3e6e02d46fe1742db8546b9ad8a4b81f90f1..8f5b4ffab3868bb215b989488f7ae1a6ebf58ce1 100644
--- a/mojo/public/cpp/bindings/lib/interface_ptr_state.h
+++ b/mojo/public/cpp/bindings/lib/interface_ptr_state.h
@@ -150,11 +150,6 @@
     return endpoint_client_->associated_group();
   }
 
-  void EnableNestedDispatch(bool enabled) {
-    ConfigureProxyIfNecessary();
-    router_->EnableNestedDispatch(enabled);
-  }
-
   void EnableTestingMode() {
     ConfigureProxyIfNecessary();
     router_->EnableTestingMode();