Removed yarn from Travis yaml so npm will be used with package-lock.json and use npm ci

Erin Doyle · Erin Doyle · commit 4bcb769aa398 · 2018-10-06T12:30:59.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,7 +15,5 @@ sudo: required
 addons:
   chrome: stable
 
-cache: yarn
-
 matrix:
   fast_finish: true
