[gimp] gitlab-ci: no need to specify explicitly -Dbuildtype=debugoptimized.

[Jehan <jehanp src gnome org>]

commit dbd1bb1f9078e1d53e62f97227c44a06495a910f
Author: Jehan <jehan girinstud io>
Date:   Sat Oct 26 13:00:46 2019 +0200

    gitlab-ci: no need to specify explicitly -Dbuildtype=debugoptimized.
    
    This has now been changed to be the default meson build by Ell in the
    previous commit.

 .gitlab-ci.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bdb48a8ef8..7bb6a48962 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -237,8 +237,7 @@ gimp-x86_64-w64-mingw32-meson:
     - echo 'crossroad meson ..
               -Dwmf=disabled  -Dgtk-doc=false
               -Dpython=always -Dlua=always
-              -Djavascript=always -Dbuildtype=debugoptimized &&
-            ninja install &&
+              -Djavascript=always && ninja install &&
             cp ../build/windows/crossbuild-gitlab-ci/gimp-wrapper.cmd $CROSSROAD_PREFIX/bin/ &&
             cp -fr $CROSSROAD_PREFIX/ ../gimp-prefix/
             ' |