Remove appveyor setting

.appveyor.yml

@@ -1,30 +0,0 @@
-build: off
-
-init:
-  - git config --global core.autocrlf input
-
-install:
-  - cinst jdk8 -params 'installdir=C:\\jdk8'
-  - cinst jdk11 -params 'installdir=C:\\jdk11'
-  - SET JAVA_HOME=C:\jdk8
-  - SET PATH=C:\jdk8\bin;%PATH%
-
-  - ps: |
-      Add-Type -AssemblyName System.IO.Compression.FileSystem
-      if (!(Test-Path -Path "C:\sbt" )) {
-        (new-object System.Net.WebClient).DownloadFile(
-          'https://piccolo.link/sbt-0.13.18.zip',
-          'C:\sbt-bin.zip'
-        )
-        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\sbt-bin.zip", "C:\sbt")
-      }
-  - SET PATH=C:\sbt\sbt\bin;%PATH%
-  - SET SBT_OPTS=-Xmx4g -Dfile.encoding=UTF8
-
-test_script:
-  - sbt "-Dsbt.build.version=1.3.0-M4" universal:packageBin
-  - cd citest
-  - test.bat
-  - test1.bat
-  - test2.bat
-  - test3/test3.bat