ci: Travis and AppVeyor support removed

.travis.yml

@@ -1,44 +0,0 @@
-linux: &linux
-  os: linux
-  dist: xenial
-  language: python
-  python: "3.8"
-  services:
-    - docker
-osx: &osx
-  os: osx
-  language: generic
-matrix:
-  include:
-    # - <<: *linux
-    #   env: CONAN_GCC_VERSIONS=9 CONAN_DOCKER_IMAGE=conanio/gcc9
-    - <<: *linux
-      env: CONAN_GCC_VERSIONS=10 CONAN_DOCKER_IMAGE=conanio/gcc10 DEPLOY_DOCS=TRUE
-
-install:
-  - chmod +x .travis/install.sh
-  - ./.travis/install.sh
-
-script:
-  - chmod +x .travis/run.sh
-  - ./.travis/run.sh
-  - |
-    # Prepare documentation for deployment
-    if [ -n "$DEPLOY_DOCS" ]; then
-      rm -rf gh-pages
-      sudo -E docker run --name docker_deploy --rm -dt $CONAN_DOCKER_IMAGE bash
-      sudo -E docker exec docker_deploy conan remote add conan-mpusz https://api.bintray.com/conan/mpusz/conan-mpusz
-      sudo -E docker exec docker_deploy sh -c "conan search -r conan-mpusz mp-units --raw | tail -n1 | xargs -I % conan install % -g deploy -s compiler.cppstd=20 -s compiler.libcxx=libstdc++11 -b missing"
-      sudo -E docker cp docker_deploy:/home/conan/mp-units/share/doc/mp-units/sphinx gh-pages
-      sudo -E docker stop docker_deploy
-    fi
-
-deploy:
-  provider: pages
-  skip_cleanup: true
-  github_token: $GITHUB_TOKEN # Set in travis-ci.org dashboard
-  keep_history: true
-  local_dir: gh-pages
-  on:
-    branch: master
-    condition: $DEPLOY_DOCS = TRUE

appveyor.yml.disabled

@@ -1,18 +0,0 @@
-build: false
-
-environment:
-  mp-units:CONAN_RUN_TESTS: 1
-  PYTHON: "C:\\Python37"
-
-  matrix:
-    - MINGW_CONFIGURATIONS: "9@x86_64@seh@posix"
-
-install:
-  - git submodule update --init --recursive
-  - set PATH=%PATH%;%PYTHON%/Scripts/
-  - pip.exe install conan --upgrade
-  - pip.exe install conan_package_tools
-  - conan user # It creates the conan data directory
-
-test_script:
-  - python build.py