[gimp] build: remove ilmbase from crossroad build,

[Daniel Novomeský <dnovomesky src gnome org>]

commit 75121fdbc82f761cb57785ba7c95f6da9a892de8
Author: Daniel Novomeský <dnovomesky gmail com>
Date:   Sat Sep 3 21:16:43 2022 +0200

    build: remove ilmbase from crossroad build,
    
    because it is no longer offered by MSYS2

 build/windows/gitlab-ci/build-deps-crossroad.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build/windows/gitlab-ci/build-deps-crossroad.sh b/build/windows/gitlab-ci/build-deps-crossroad.sh
index bc80248163..68ba92d77d 100644
--- a/build/windows/gitlab-ci/build-deps-crossroad.sh
+++ b/build/windows/gitlab-ci/build-deps-crossroad.sh
@@ -40,7 +40,7 @@ crossroad install appstream-glib              \
                   libmypaint mypaint-brushes  \
                   libwebp                     \
                   libwmf                      \
-                  openexr ilmbase             \
+                  openexr                     \
                   poppler poppler-data        \
                   xpm-nox