Update travis

.travis.yml

@@ -6,15 +6,13 @@ php:
   - 5.6
   - 7.0
   - hhvm
-  - hhvm-nightly
 
 # run build against hhvm but allow them to fail
 # http://docs.travis-ci.com/user/build-configuration/#Rows-That-are-Allowed-To-Fail
-matrix:
-  fast_finish: true
-  allow_failures:
-    - php: hhvm-nightly
-    - php: 7.0
+#matrix:
+#  fast_finish: true
+#  allow_failures:
+#    - php: 7.0
 
 # faster builds on new travis setup not using sudo
 sudo: false