message: fix: slight performance boost in appveyor
diff: @@ -10,7 +10,6 @@ install:
  - git submodule update --init --recursive
  - git config --global user.email "dxcli@example.com"
  - git config --global user.name "dxcli"
  - - yarn
  - yarn add -D nyc @dxcli/nyc-config
  test_script:
  - yarn test
  