Remove windows ci

GPGme doesn't support our windows CI :(

TODO:

Look in alternatives like Sequoia-PGP or remove encryption support on
Windows

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

.gitlab-ci.yml

@@ -5,4 +5,3 @@ include:
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/reuse-lint.yml
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux.yml
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd.yml
-  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/windows.yml