Fix broken travis build

.travis.yml

@@ -16,7 +16,6 @@ install:
   - pip install mkdocs-material
 
 script:
-  - cp ${PWD}/group_vars/all.yml.dist ${PWD}/group_vars/all.yml
   - ansible-lint ${PWD}/nas.yml
   - ${PWD}/tests/test.sh
   - mkdocs build
@@ -29,11 +28,11 @@ deploy:
   keep-history: true
   on:
     branch: master
-    
+
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/bd52710d464f2b82036b
     on_success: change
     on_failure: always
-    on_start: never 
+    on_start: never