Remove unused template.

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

Index: mojo/public/cpp/bindings/lib/template_util.h
diff --git a/mojo/public/cpp/bindings/lib/template_util.h b/mojo/public/cpp/bindings/lib/template_util.h
index 6767acf82e78fbc38bcc94c5dd8fb98499eb286f..c221a545337d7a7c073a9d49857198d1ef2a0a2d 100644
--- a/mojo/public/cpp/bindings/lib/template_util.h
+++ b/mojo/public/cpp/bindings/lib/template_util.h
@@ -110,9 +110,6 @@ struct IsSpecializationOf : FalseType {};
 template <template <typename...> class Template, typename... Args>
 struct IsSpecializationOf<Template, Template<Args...>> : TrueType {};
 
-template <class A, class B>
-struct LogicalOr : IntegralConstant<bool, A::value || B::value> {};
-
 }  // namespace internal
 }  // namespace mojo