Remove nigthly from travis

LKaemmerling · web-flow · commit 5cbb7d50c570 · 2019-02-20T15:32:49.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,7 +14,6 @@ php:
   - 7.2
   - 7.3 
   - 7.4snapshot
-  - nightly
 
 services:
   - docker
