[libadwaita/wip/exalm/remove-the-hack] about-window: Remove the leftover warning too

[Alexander Mikhaylenko <alexm src gnome org>]

commit e35e7473977b8b105fdc7504eba30f24f33237fa
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Jul 11 01:55:29 2022 +0400

    about-window: Remove the leftover warning too
    
    The toned down version is not really a hack anymore.

 src/adw-about-window.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/adw-about-window.c b/src/adw-about-window.c
index 5fce8a49..42b0bd3a 100644
--- a/src/adw-about-window.c
+++ b/src/adw-about-window.c
@@ -354,7 +354,6 @@ string_is_not_empty (AdwAboutWindow *self,
   return string && string[0];
 }
 
-/* WARNING: Don't copy into your app. This is a hack which hardcodes pixels. */
 static char *
 get_headerbar_name (AdwAboutWindow *self,
                     double          value)