remove workaround for #302

Author: Dane Springmeyer

appveyor.yml

@@ -27,8 +27,6 @@ install:
   # downgrade npm to avoid multiple npm bugs:
   # for node v6 this dodges npm 3.10.10 bug whereby --nodedir/--dist-url is not passed to node-gyp (https://github.com/mapbox/node-pre-gyp/issues/300)
   # for all node x86 versions this dodges a mysterious ELIFECYCLE error: https://ci.appveyor.com/project/Mapbox/node-pre-gyp/build/1.0.582/job/b8q2nud6vkj0s6qo#L233
-  # for node v8 this dodges https://github.com/mapbox/node-pre-gyp/issues/302
-  - npm install [email protected] -g
   - node --version
   - npm --version
   - node -e "console.log(process.arch);"