[gimp] Fix gitlab-ci : Archlinux fixed the bug upstream.

[Jehan <jehanp src gnome org>]

commit 1f20b72a4526ac838a04e5cba4535689026dabe3
Author: Félix Piédallu <felix piedallu me>
Date:   Wed Sep 11 17:11:38 2019 +0200

    Fix gitlab-ci : Archlinux fixed the bug upstream.

 .gitlab-ci.yml | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fd49bbe47f..ad301dcdf8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -181,8 +181,6 @@ gegl-git:
 .gimp-meson:
   extends: .gimp-base
   script:
-      # Archlinux fix
-    - sed -i "s|'libmypaint'|'libmypaint-1.3'|g" meson.build
     - meson _build
       --prefix="${INSTALL_PREFIX}"
       -Dpython=always