ci: Remove ccache

There are issues with the caching; CI will randomly fail to create new
files used when testing features.

diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 404e8957d53deef3334f2670939ee89c22bb82dc..c4c66c203b1eefafadfd2cf41d1bfd38d094ec0d 100644 (file)
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -7,7 +7,6 @@ RUN dnf -y install \
     avahi-gobject-devel \
     cairo-devel \
     cairo-gobject-devel \
-    ccache \
     colord-devel \
     cups-devel \
     desktop-file-utils \