Don't cache the vendor directory (#3837)

danielbachhuber · ntwb · commit e787e261c775 · 2017-12-07T13:03:35.000+11:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,7 +14,6 @@ notifications:
 
 cache:
   directories:
-    - vendor
     - $HOME/.composer/cache
     - $HOME/.phpbrew
 
