Revert "Add CI pipelines for Drone and GitHub Actions"

This reverts commit 6ed7a87a08.

.drone.yml

@@ -1,43 +0,0 @@
-kind: pipeline
-type: docker
-name: test
-
-steps:
-  - name: hunspell_chapters
-    image: fastexitlane/hunspell:latest
-    commands:
-      - export HUNSPELL_FINDINGS=`for filename in chapter/*.md; do hunspell -l -d de_DE_frami,en_US -p ./.hunspellignore $filename; done | sort | uniq`
-      - echo $HUNSPELL_FINDINGS
-      - '[ -z "$HUNSPELL_FINDINGS" ] && exit 0 || exit 1'
-    failure: ignore
-  - name: hunspell_appendix
-    image: fastexitlane/hunspell:latest
-    commands:
-      - export HUNSPELL_FINDINGS=`for filename in appendix/*.tex; do hunspell -l -d de_DE_frami,en_US -p ./.hunspellignore -t $filename; done | sort | uniq`
-      - echo $HUNSPELL_FINDINGS
-      - '[ -z "$HUNSPELL_FINDINGS" ] && exit 0 || exit 1'
-    failure: ignore
-
----
-kind: pipeline
-type: docker
-name: build
-
-steps:
-- name: pandoc
-  image: fastexitlane/pandoc-latex:latest
-  commands:
-    - ./build.sh pandoc
-    - ci_commit_sha_short=`git rev-parse --short $CI_COMMIT_SHA`
-- name: gitea_release
-  image: plugins/gitea-release
-  settings:
-    api_key:
-      from_secret: gitea_token
-    base_url: https://git.kingofdog.de
-    files:
-      - main.pdf
-
-trigger:
-  branch:
-    - main

.github/workflows/latex.yml

@@ -1,28 +0,0 @@
-name: Latex
-
-# Controls when the action will run. 
-on:
-  # Triggers the workflow on push or pull request events but only for the master branch
-  push:
-    branches: [ main ]
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
-jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-    container:
-      image: fastexitlane/pandoc-latex:latest
-    steps:
-      - uses: actions/checkout@v2
-
-      - run: ./build.sh pandoc
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: Studienarbeit.pdf
-          path: out/main.pdf