message: Remove gcc from Travis CI build
diff: @@ -11,7 +11,6 @@ env:
  compiler:
  - clang
  - - gcc
  addons:
  # Everything under apt is only used on linux
  @@ -24,8 +23,6 @@ addons:
  - george-edison55-precise-backports
  packages:
  # Get recent compilers
  - - gcc-6
  - - g++-6
  - clang-5.0
  # Get a newer CMake than the 2.8 default
  - cmake
  @@ -44,7 +41,6 @@ install:
  script:
  # Use the more recent compilers we just installed
  - - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$CXX" == "g++" ]; then export CXX="g++-6" CC="gcc-6"; fi
  - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$CXX" == "clang++" ]; then export CXX="clang++-5.0" CC="clang-5.0"; fi
  # Build
  