Remove CircleCI and Travis CI

Those will get replaced by Github Actions

.circleci/config.yml

@@ -1,71 +0,0 @@
-version: 2.1
-jobs:
-  misc-doxygen:
-    docker:
-      - image: dunst/ci:misc-doxygen
-    environment:
-      SYSTEMD: 0
-      SERVICEDIR_DBUS: /tmp/none
-      SERVICEDIR_SYSTEMD: /tmp/none
-      PKG_CONFIG: echo
-    steps:
-      - checkout
-      - run: make -j doc-doxygen
-
-  compileandtest:
-    environment:
-      CFLAGS: -Werror
-    parameters:
-      distro:
-        type: string
-    docker:
-      - image: dunst/ci:<<parameters.distro>>
-    steps:
-      - checkout
-      - run: make CC=clang -j all dunstify test/test
-      - run: make CC=clang -j test-valgrind
-      - run: ./test/test-install.sh
-      - run: make             clean
-      - run: make CC=gcc   -j all dunstify test/test
-      - run: make CC=gcc   -j test-valgrind
-      - run: make             clean
-      - run: make          -j test-coverage
-
-workflows:
-  version: 2
-  build-in-docker:
-    jobs:
-      - misc-doxygen
-      - compileandtest:
-          name: Alpine
-          distro: alpine
-      - compileandtest:
-          name: Debian Stretch
-          distro: debian-stretch
-          requires:
-            - misc-doxygen
-            - Alpine
-      - compileandtest:
-          name: Arch Linux
-          distro: archlinux
-          requires:
-            - misc-doxygen
-            - Alpine
-      - compileandtest:
-          name: Fedora 30
-          distro: fedora30
-          requires:
-            - misc-doxygen
-            - Alpine
-      - compileandtest:
-          name: Ubuntu 16.04
-          distro: ubuntu-xenial
-          requires:
-            - misc-doxygen
-            - Alpine
-      - compileandtest:
-          name: Ubuntu 18.04
-          distro: ubuntu-bionic
-          requires:
-            - misc-doxygen
-            - Alpine

.travis.yml

@@ -1,38 +0,0 @@
-addons:
-  apt:
-    packages:
-      - doxygen
-      - graphviz
-      - libdbus-1-dev
-      - libx11-dev
-      - libxrandr-dev
-      - libxinerama-dev
-      - libxss-dev
-      - libglib2.0-dev
-      - libpango1.0-dev
-      - libcairo2-dev
-      - libnotify-dev
-      - libgtk-3-dev
-      - valgrind
-dist: xenial
-sudo: false
-language: c
-
-git:
-  depth: false
-
-before_install:
-  - pip install --user cpp-coveralls
-
-script:
-  - CFLAGS="-Werror" make all dunstify test-valgrind doc-doxygen
-  - ./test/test-install.sh
-  - CFLAGS="-Werror" make clean
-  - CFLAGS="-Werror" make test-coverage
-
-matrix:
-  include:
-    - compiler: gcc
-      after_success:
-        - coveralls
-    - compiler: clang

README.md

@@ -1,4 +1,4 @@
-[![CircleCI](https://circleci.com/gh/dunst-project/dunst/tree/master.svg?style=svg)](https://circleci.com/gh/dunst-project/dunst/tree/master) [![Build Status](https://travis-ci.org/dunst-project/dunst.svg?branch=master)](https://travis-ci.org/dunst-project/dunst) [![Coverage Status](https://coveralls.io/repos/github/dunst-project/dunst/badge.svg?branch=master)](https://coveralls.io/github/dunst-project/dunst?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/dunst-project/dunst/badge.svg?branch=master)](https://coveralls.io/github/dunst-project/dunst?branch=master)
 
 ## Dunst