Delete appveyor.yml

appveyor.yml

@@ -1,14 +0,0 @@
-environment:
-  matrix:
-    - nodejs_version: '8'
-
-install:
-  - ps: Install-Product node $env:nodejs_version
-  - npm i npminstall && node_modules\.bin\npminstall
-
-test_script:
-  - node --version
-  - npm --version
-  - npm run test
-
-build: off