[gnome-system-monitor] Remove apt-get build-deps to get more info on missing required deps

[Robert Roth <robertroth src gnome org>]

commit 628d9917985c67e786ce123a7ffa62a37fd1e4bc
Author: ToMe25 <tome25 gmx de>
Date:   Sun Feb 27 17:38:57 2022 +0000

    Remove apt-get build-deps to get more info on missing required deps

 .gitlab-ci.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9d317fa9..d3698829 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -81,7 +81,6 @@ build-ubuntu:
     - cd ../.. # build and install libhandy because the version in the ubuntu package repository is too 
outdated.
     - git clone https://gitlab.gnome.org/gnome/libhandy.git/
     - cd libhandy
-    - apt-get build-dep -y .
     - meson _build
     - ninja -C _build
     - ninja -C _build install