[BUGFIX] Stop caching vendor/ on Travis CI (#131)

Oliver Klee · web-flow · commit 96dd40c3b1fb · 2020-09-26T13:25:47.000+02:00
This resolves problems with incorrect dependencies across
builds.

Caching the Composer cache directory is enough.
diff --git a/.travis.yml b/.travis.yml
@@ -26,7 +26,6 @@ sudo: false
 
 cache:
   directories:
-  - vendor
   - "$HOME/.composer/cache"
 
 before_install:
