Fix CI, part two

.gitlab-ci.yml

 include: "https://git.autistici.org/ai3/build-deb/raw/master/ci-common.yml"
 
-build_pkgsrc:bullseye:
-  only:
-    - master
-
-build_pkg:bullseye:amd64:
-  only:
-    - master
-
 test:
   stage: test
   image: registry.git.autistici.org/ai3/docker/test/golang:master