ci: Remove integration with Travis

.travis.yml

@@ -1,57 +0,0 @@
-sudo: required
-language: generic
-matrix:
-  include:
-    - name: "Centos 7"
-      os: linux
-      env: CONTAINER=centos7
-      services: docker
-    - name: "Centos 8"
-      os: linux
-      env: CONTAINER=centos8
-      services: docker
-    - name: "Fedora 31"
-      os: linux
-      env: CONTAINER=fedora31
-      services: docker
-    - name: "Fedora 32"
-      os: linux
-      env: CONTAINER=fedora32
-      services: docker
-    - name: "Fedora 33"
-      os: linux
-      env: CONTAINER=fedora33
-      services: docker
-    - name: "Debian Stable"
-      os: linux
-      env: CONTAINER=debianstable
-      services: docker
-    - name: "Debian Testing"
-      os: linux
-      env: CONTAINER=debiantesting
-      services: docker
-    - name: "Ubuntu 18.04"
-      os: linux
-      env: CONTAINER=ubuntu1804
-      services: docker
-    - name: "Ubuntu 20.04"
-      os: linux
-      env: CONTAINER=ubuntu2004
-      services: docker
-    - name: "OpenSUSE 15.0"
-      os: linux
-      env: CONTAINER=opensuse1500
-      services: docker
-    - name: "Archlinux Base (Rolling)"
-      os: linux
-      env: CONTAINER=arch
-      services: docker
-    - name: "Mac OS X 10.13"
-      os: osx
-      env: CONTAINER=osx
-install:
-  # Build the docker container
-  - pushd $TRAVIS_BUILD_DIR
-  - if [[ $CONTAINER != "osx" ]]; then docker-compose build test-$CONTAINER ; fi
-script:
-  - if [[ $CONTAINER != "osx" ]]; then docker-compose run test-$CONTAINER; else bash test/scripts/test_osx.sh ; fi