ci: reduce the root .gitlab-ci file

Following the idea to distribute in a tree of files to include and split
between the files with or without hidden job definitions, some jobs in the
root file can be moved to files made specific to describe build or test jobs.

Signed-off-by: Sergi Blanch-Torne <sergi.blanch.torne@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35427>

.gitlab-ci.yml

@@ -387,38 +387,6 @@ include:
     # manually triggered
     - when: manual
 
-
-.ci-deqp-artifacts:
-  artifacts:
-    name: "${CI_PROJECT_NAME}_${CI_JOB_NAME_SLUG}"
-    when: always
-    untracked: false
-    paths:
-      # Watch out!  Artifacts are relative to the build dir.
-      # https://gitlab.com/gitlab-org/gitlab-ce/commit/8788fb925706cad594adf6917a6c5f6587dd1521
-      - artifacts
-      - _build/meson-logs/*.txt
-      - _build/meson-logs/strace
-      - _build/.ninja_log
-
-# Git archive
-
-make-git-archive:
-  extends:
-    - .fdo.ci-fairy
-  stage: git-archive
-  rules:
-    - !reference [.scheduled_pipeline-rules, rules]
-  script:
-    # Compactify the .git directory
-    - git gc --aggressive
-    # Download & cache the perfetto subproject as well.
-    - rm -rf subprojects/perfetto ; mkdir -p subprojects/perfetto && curl --fail https://android.googlesource.com/platform/external/perfetto/+archive/$(grep 'revision =' subprojects/perfetto.wrap | cut -d ' ' -f3).tar.gz | tar zxf - -C subprojects/perfetto
-    # compress the current folder
-    - tar -cvzf ../$CI_PROJECT_NAME.tar.gz .
-
-    - ci-fairy s3cp --token-file "${S3_JWT_FILE}" ../$CI_PROJECT_NAME.tar.gz https://$S3_HOST/git-cache/$CI_PROJECT_NAMESPACE/$CI_PROJECT_NAME/$CI_PROJECT_NAME.tar.gz
-
 # Sanity checks of MR settings and commit logs
 sanity:
   extends:
@@ -467,31 +435,3 @@ sanity:
     reports:
       junit: check-*.xml
 
-
-mr-label-maker-test:
-  extends:
-    - .fdo.ci-fairy
-  stage: sanity
-  tags:
-    - placeholder-job
-  rules:
-    - !reference [.mr-label-maker-rules, rules]
-  variables:
-    GIT_STRATEGY: fetch
-  timeout: 10m
-  script:
-    - set -eu
-    - python3 -m venv .venv
-    - source .venv/bin/activate
-    - pip install git+https://gitlab.freedesktop.org/freedesktop/mr-label-maker
-    - mr-label-maker --dry-run --mr $CI_MERGE_REQUEST_IID
-
-# Jobs that need to pass before spending hardware resources on further testing
-.required-for-hardware-jobs:
-  needs:
-    - job: rustfmt
-      optional: true
-      artifacts: false
-    - job: yaml-toml-shell-py-test
-      optional: true
-      artifacts: false