chore(appveyor): do not use latest npm (#847)

nfischer · web-flow · commit 4733a32c0825 · 2018-05-09T17:02:37.000-07:00
This changes appveyor from using the latest npm version to only using the preinstalled npm version. This is safer, because it's guaranteed to be a compatible version. Fixes #844
diff --git a/appveyor.yml b/appveyor.yml
@@ -12,7 +12,6 @@ version: '{build}'
 # Install scripts. (runs after repo cloning)
 install:
   - ps: Install-Product node $env:nodejs_version
-  - npm -g install npm@latest
   - set PATH=%APPDATA%\npm;%PATH%
   - node --version
   - npm --version
