Remove Drone CI pipeline configuration file

.drone.yml

@@ -1,70 +0,0 @@
----
-kind: pipeline
-type: docker
-name: build-release
-
-clone:
-  disable: true
-
-steps:
-
-- name: clone
-  image: plugins/git
-  settings:
-    recursive: true
-
-- name: fetch images
-  image: alpine/git
-  commands:
-    - git lfs fetch
-    - git lfs checkout
-  depends_on:
-    - clone
-
-- name: pandoc
-  image: pandoc/core:2.18-alpine
-  commands:
-    - sh build-pandoc.sh latex user > user/user-manual.tex
-    - sh build-pandoc.sh latex admin > admin/admin-manual.tex
-  depends_on:
-    - fetch images
-
-- name: build-latex-user
-  image: texlive/texlive
-  commands:
-    - cd user
-    - latexmk -pdf -file-line-error -halt-on-error -interaction=nonstopmode -xelatex user-manual.tex
-    - mv user-manual.pdf ../Manuel\ utilisateur.pdf
-  depends_on:
-    - pandoc
-
-- name: build-latex-admin
-  image: texlive/texlive
-  commands:
-    - cd admin
-    - latexmk -pdf -file-line-error -halt-on-error -interaction=nonstopmode -xelatex admin-manual.tex
-    - mv admin-manual.pdf ../Manuel\ administrateur.pdf
-  depends_on:
-    - pandoc
-
-- name: release
-  image: plugins/gitea-release
-  settings:
-    api_key:
-      from_secret: gitea_key
-    base_url: https://gitea.champs-libres.be
-    files:
-      - "Manuel administrateur.pdf"
-      - "Manuel utilisateur.pdf"
-    title: ${DRONE_TAG:=latest}
-  depends_on:
-    - build-latex-user
-    - build-latex-admin
-  when:
-    event:
-    - tag
----
-kind: signature
-hmac: a83892d8f9bb967bd2a6335e2b34008e05f9bec482f270237c6764918434f97c
-
-...