[glibmm: 1/2] CI: Replacing old comments with correct ones

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 213c8b8d8576bb400bfd0816dbc1328f0ece123b
Author: Pavlo Solntsev <p sun fun gmail com>
Date:   Sun Dec 13 21:57:13 2020 -0600

    CI: Replacing old comments with correct ones
    
    The old comments were automatically added when initial version of the
    script was created. Here we repalce them with meaningful comments.

 .gitlab-ci.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c3fe20f3..2d9d0f17 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,5 @@
-# This file is a template, and might need editing before it works on your project.
-# use the official gcc image, based on debian
-# can use verions as well, like gcc:5.2
-# see https://hub.docker.com/_/gcc/
+# Currently we have to track two versions of gcc: gcc-9 and gcc-10.
+
 image: ubuntu:devel
 
 stages: