[simple-scan] Fix copy-paste error

[Robert Ancell <rancell src gnome org>]

commit 1513d2f62920bf6c1bb8fc48fe0f4a738923ea18
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Dec 7 10:01:00 2017 +1300

    Fix copy-paste error

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3b578c8..6563fb5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ stages:
  - build
 
 before_script:
-  - apt install meson valac libgtk-3-dev libgusb-dev libcolord-dev libpackagekit-glib2-dev libwebp-dev 
libsane-dev gettext itstool-y gcc meson gettext itstool
+  - apt install meson valac libgtk-3-dev libgusb-dev libcolord-dev libpackagekit-glib2-dev libwebp-dev 
libsane-dev gettext itstool
 
 build-simple-scan:
   stage: build