migrate to GitHub Actions (#3586)

appveyor.yml

@@ -1,74 +1,5 @@
 build: off
-cache:
-  - tmp
 matrix:
   fast_finish: true
-environment:
-  matrix:
-    - NODE: 0.10
-      TYPE: compress
-    - NODE: 0.10
-      TYPE: mocha
-    - NODE: 0.10
-      TYPE: release/benchmark
-    - NODE: 0.10
-      TYPE: release/jetstream
-    - NODE: 0.12
-      TYPE: compress
-    - NODE: 0.12
-      TYPE: mocha
-    - NODE: 0.12
-      TYPE: release/benchmark
-    - NODE: 0.12
-      TYPE: release/jetstream
-    - NODE: 4
-      TYPE: compress
-    - NODE: 4
-      TYPE: mocha
-    - NODE: 4
-      TYPE: release/benchmark
-    - NODE: 4
-      TYPE: release/jetstream
-    - NODE: 6
-      TYPE: compress
-    - NODE: 6
-      TYPE: mocha
-    - NODE: 6
-      TYPE: release/benchmark
-    - NODE: 6
-      TYPE: release/jetstream
-    - NODE: 8
-      TYPE: compress
-    - NODE: 8
-      TYPE: mocha
-    - NODE: 8
-      TYPE: release/benchmark
-    - NODE: 8
-      TYPE: release/jetstream
-    - NODE: 10
-      TYPE: compress
-    - NODE: 10
-      TYPE: mocha
-    - NODE: 10
-      TYPE: release/benchmark
-    - NODE: 10
-      TYPE: release/jetstream
-    - NODE: latest
-      TYPE: compress
-    - NODE: latest
-      TYPE: mocha
-    - NODE: latest
-      TYPE: release/benchmark
-    - NODE: latest
-      TYPE: release/jetstream
-install:
-  - git clone --branch v1.5.2 --depth 1 https://github.com/jasongin/nvs.git %LOCALAPPDATA%\nvs
-  - set PATH=%LOCALAPPDATA%\nvs;%PATH%
-  - nvs --version
-  - nvs add node/%NODE%
-  - nvs use node/%NODE%
-  - node --version
-  - npm --version --no-update-notifier
-  - npm install --no-audit --no-optional --no-save --no-update-notifier
 test_script:
-  - node test/%TYPE%
+  - echo No longer in use