Remove comments from Travis config

.travis.yml

@@ -10,17 +10,9 @@ before_install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get -qq install g++-4.8 ; fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CXX=g++-4.8 ; fi
 env:
-  # global:
-  #   - CXX=g++-4.8
   matrix:
     - NPM_COMMAND=lint
     - NPM_COMMAND=test
-# addons:
-#   apt:
-#     sources:
-#       - ubuntu-toolchain-r-test
-#     packages:
-#       - g++-4.8
 notifications:
   email: false
 script: npm run $NPM_COMMAND