Update travis

Author: jchristopherson

.travis.yml

@@ -6,20 +6,13 @@ before_install:
   - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
   - sudo apt-get update -qq
 
-# REF for CMAKE Stuff: https://github.com/Microsoft/GSL/blob/master/.travis.yml
 install:
   - sudo apt-get install -qq gfortran-7
   - sudo update-alternatives --install /usr/bin/gfortran gfortran /usr/bin/gfortran-7 90
-  - CMAKE_VERSION=3.7.2
-  - |
-    CMAKE_URL="https://cmake.org/files/v${CMAKE_VERSION%.[0-9]}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz"
-    mkdir cmake && travis_retry wget --no-check-certificate -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
-    export PATH=${DEPS_DIR}/cmake/bin:${PATH}
-- cmake --version
 
 before_script:
     - mkdir build
     - cd build
     - cmake ..
 
-script: make 
+script: make