Revert of Perform InterfaceProviderSpec intersection in the ServiceManager

services/service_manager/public/cpp/interface_registry.h

Index: services/service_manager/public/cpp/interface_registry.h
diff --git a/services/service_manager/public/cpp/interface_registry.h b/services/service_manager/public/cpp/interface_registry.h
index e9851f93aa57f95309974f2ea46d9db834e7b929..5872478342f91bbbd09a4e500aa5a1b74f4bae99 100644
--- a/services/service_manager/public/cpp/interface_registry.h
+++ b/services/service_manager/public/cpp/interface_registry.h
@@ -23,16 +23,6 @@
 namespace service_manager {
 class Connection;
 class InterfaceBinder;
-
-// Returns the set of capabilities required from the target.
-CapabilitySet GetRequestedCapabilities(const InterfaceProviderSpec& source_spec,
-                                       const Identity& target);
-
-// Generates a single set of interfaces that is the union of all interfaces
-// exposed by the target for the capabilities requested by the source.
-InterfaceSet GetInterfacesToExpose(const InterfaceProviderSpec& source_spec,
-                                   const Identity& target,
-                                   const InterfaceProviderSpec& target_spec);
 
 // An implementation of mojom::InterfaceProvider that allows the user to
 // register services to be exposed to another application.