Update .travis.yml

.travis.yml

@@ -1,4 +1,5 @@
 language: php
+sudo: false
 
 ## Cache composer bits
 cache:
@@ -13,7 +14,6 @@ php:
   - 5.6
   - 7
   - hhvm
-  - hhvm-nightly
 
 ## Build matrix for lowest and highest possible targets
 matrix:
@@ -28,8 +28,6 @@ matrix:
       env: dependencies=lowest
     - php: hhvm
       env: dependencies=lowest
-    - php: hhvm-nightly
-      env: dependencies=lowest
     - php: 5.4
       env: dependencies=highest
     - php: 5.5
@@ -40,10 +38,6 @@ matrix:
       env: dependencies=highest
     - php: hhvm
       env: dependencies=highest
-    - php: hhvm-nightly
-      env: dependencies=highest
-  allow_failures:
-    - php: hhvm-nightly
 
 ## Update composer and run the appropriate composer command
 before_script: