CI: remove "npm install -g npm@3"

rwaldron · rwaldron · commit d7b2b45f037d · 2021-07-06T10:49:33.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,7 +18,6 @@ env:
   - NO_SERIALPORT_INSTALL=1
 
 before_install:
-  - npm install -g npm@3
   - npm install -g grunt-cli
 
 install:
