component/chromium: comment flag usage

component/chromium/buildout.cfg

@@ -56,6 +56,8 @@ install =
   # FATAL:platform_font_linux.cc(83)] Check failed: InitDefaultFont(). Could not find the default font
   export LD_LIBRARY_PATH=$d:%s
   export PATH=%s:$PATH
+  # --disable-setuid-sandbox --no-sandbox --disable-gpu arguments are only required for chromium-wrapper-91
+  # they should be removed once we drop supporting this version
   exec $d/chrome --disable-setuid-sandbox --no-sandbox --disable-gpu "$@"
   """ % (
     part['location'],