Do not download CMake with wget

Author: Roberto Di Remigio

.magnum.yml

@@ -4,11 +4,6 @@ git:
 before_install:
     - sudo apt-get update -y
     - sudo apt-get install gcc g++ gfortran make cmake cmake-data zlib1g-dev python-dateutil python-pyparsing python-numpy python-matplotlib python-pip python-setuptools python-dev -y
-    - mkdir -p ${HOME}/deps && cd ${HOME}/deps
-    - mkdir cmake
-    - wget --verbose --no-check-certificate -O - http://www.cmake.org/files/v3.3/cmake-3.3.2-Linux-x86_64.tar.gz
-    - tar --strip-components=1 -xz -C cmake
-    - export PATH=${HOME}/deps/cmake/bin:${PATH}
     - cmake --version
     - gcc --version
     - g++ --version