travis: disable kvm setup

Seems to be too unstable?

travis: disable kvm setup
Seems to be too unstable?
d7794c7d · Juan Batiz-Benet · bc6911ef · d7794c7d
--- a/.travis.yml
+++ b/.travis.yml
-dist: trusty
+# dist: trusty # KVM Setup

 os:
  - linux