chore: try caching on all environments again (#2615)

Alan Shaw · web-flow · commit 03396ba69af8 · 2019-11-20T07:13:45.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,5 @@
 language: node_js
 
-# TODO: enable when windows is faster on travis, currently causes "No output has been received in the last 10m0s"
-# cache: npm
-cache: false
-
 branches:
   only:
   - master
