Updated travisci file to remove allow_failures on Puppet 4

Author: jonnytdevops

.travis.yml

@@ -20,8 +20,5 @@ matrix:
     env: PUPPET_GEM_VERSION="~> 2.7.0" FACTER_GEM_VERSION="~> 1.6.0"
   - rvm: 1.8.7
     env: PUPPET_GEM_VERSION="~> 2.7.0" FACTER_GEM_VERSION="~> 1.7.0"
-  allow_failures:
-    - rvm: 2.1.6
-      env: PUPPET_GEM_VERSION="~> 4.0" STRICT_VARIABLES="yes"
 notifications:
   email: false