Remove unecessary config in travis matrix and set CXX=clang++
@@ -11,12 +11,8 @@ os:
matrix:
include:
- os: osx
- env: COMPILER=clang++
- osx_image: xcode9.4
- compiler: clang
- os: linux
- env: CXX=clang
- compiler: clang
+ env: CXX=clang++
branches:
only:
