- Disable testing on Python 3.5, it isn't supported by Molecule and doesn't...

- Disable testing on Python 3.5, it isn't supported by Molecule and doesn't seem to gonna be supported anytime soon.

.travis.yml

 ---
 language: python
-python: ["2.7", "3.5"]
+python: "2.7"
 dist: trusty
 sudo: True
 group: beta
@@ -19,7 +19,6 @@ env:
 matrix:
     fast_finish: True
     allow_failures:
-        - python: "3.5"
         - env: *stretch
         - env: *jessie
 cache: