AST: Remove OpenedArchetypeType::getOpenedExistentialID()

Author: slavapestov

include/swift/AST/Types.h

@@ -6814,9 +6814,6 @@ class OpenedArchetypeType final : public LocalArchetypeType,
   /// \param existential The existential type or existential metatype to open.
   static Type getAny(Type existential);
 
-  /// Retrieve the ID number of this opened existential.
-  UUID getOpenedExistentialID() const;
-
   static bool classof(const TypeBase *T) {
     return T->getKind() == TypeKind::OpenedArchetype;
   }

lib/AST/Type.cpp

@@ -3538,10 +3538,6 @@ OpenedArchetypeType::OpenedArchetypeType(
   assert(!interfaceType->isParameterPack());
 }
 
-UUID OpenedArchetypeType::getOpenedExistentialID() const {
-  return getGenericEnvironment()->getOpenedExistentialUUID();
-}
-
 PackArchetypeType::PackArchetypeType(
     const ASTContext &Ctx, GenericEnvironment *GenericEnv, Type InterfaceType,
     ArrayRef<ProtocolDecl *> ConformsTo, Type Superclass,