Delete appveyor.yml (#4489)

appveyor.yml

@@ -1,60 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-version: '{build}'
-
-os: Visual Studio 2017
-
-environment:
-  BUILDING_ON_PLATFORM: win
-  BuildEnvironment: appveyor
-  JAVA_HOME: C:\Program Files\Java\jdk1.8.0
-
-skip_commits:
-  files:
-    - LICENSE
-    - NOTICE
-    - HEADER
-    - docs/*
-    - CHANGES.md
-    - CODE_OF_CONDUCT.md
-    - CONTRIBUTING.md
-    - README.md
-    - .travis.yml
-    - Jenkinsfile
-    # - appveyor.yml
-
-branches:
-  only:
-    - master
-
-install:
-- ps: $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
-- java -version
-- git submodule init
-- git submodule update
-
-build_script:
-- mvnw.cmd package -Dmaven.test.skip=true --quiet
-
-# after_build:
-# - mvnw.cmd javadoc:javadoc -Dmaven.test.skip=true
-
-test_script:
-- mvnw.cmd test
-
-cache:
-  - C:\Users\appveyor\.m2