rm php from appveyor

appveyor.yml

@@ -6,16 +6,14 @@ image: Visual Studio 2019
 build: off
 install:
   - git submodule update --init --recursive
-  - cinst -y php --params "/InstallDir:C:\tools\php"
-  - cinst -y composer
   - cinst -y dart-sdk --version=2.8.4
 build_script:
   - mvn -DskipTests install --batch-mode
   - dotnet build runtime/CSharp/Antlr4.csproj -c Release
 after_build:
   - dotnet pack runtime/CSharp/Antlr4.csproj -c Release
 test_script:
-  - mvn install -Dantlr-php-php="C:\tools\php\php.exe" -Dantlr-dart-dart="C:\tools\dart-sdk\bin\dart.exe" -Dantlr-dart-pub="C:\tools\dart-sdk\bin\pub.bat" -Dantlr-dart-dart2native="C:\tools\dart-sdk\bin\dart2native.bat" -Dantlr-python2-python="C:\Python27\python.exe" -Dantlr-python3-python="C:\Python35\python.exe" --batch-mode
+  - mvn install -Dantlr-dart-dart="C:\tools\dart-sdk\bin\dart.exe" -Dantlr-dart-pub="C:\tools\dart-sdk\bin\pub.bat" -Dantlr-dart-dart2native="C:\tools\dart-sdk\bin\dart2native.bat" -Dantlr-python2-python="C:\Python27\python.exe" -Dantlr-python3-python="C:\Python35\python.exe" --batch-mode
 artifacts:
 - path: 'runtime\**\*.nupkg'
-  name: NuGet
+  name: NuGet