ci: remove stuff that doesnt work on Ubuntu 14.04

dszakallas · dszakallas · commit 0de03d469413 · 2017-03-23T15:58:08.000+01:00
diff --git a/circle.yml b/circle.yml
@@ -1,9 +1,6 @@
 machine:
   services:
     - redis
-    - mysql
-    - mongodb
-    - postgresql
   node:
     version: 6.9.5
   environment:
