cgraph: remove advice about '[[maybe_unused]]'

This attribute was only introduced in C++17 and we currently build with C++11.

diff --git a/lib/cgraph/unused.h b/lib/cgraph/unused.h
index 0b29a08f408a54fb8e5258ceb6c1493db43443f9..f08510373ed3ff5ff6b748d73ea76f690b46bee1 100644 (file)
--- a/lib/cgraph/unused.h
+++ b/lib/cgraph/unused.h
@@ -12,7 +12,6 @@
 ///
 /// Use this sparingly, as the MSVC version applies to everything in both the
 /// current and next line, so can end up accidentally masking genuine problems.
-/// Only use this in C code. In C++, use `[[maybe_unused]]`.
 #ifdef __GNUC__ // Clang and GCC
 #define UNUSED __attribute__((unused))
 #elif defined(_MSC_VER) // MSVC