[Tests] .npm is now cached by default

chenrui333 · ljharb · commit e48cb858a69e · 2019-10-02T15:05:36.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -11,7 +11,6 @@ addons:
 cache:
   ccache: true
   directories:
-    - $HOME/.npm
     - $TRAVIS_BUILD_DIR/.cache
     - $TRAVIS_BUILD_DIR/node_modules
 before_install:
