Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -41,7 +41,7 @@ variables:
     - apt-get update -qq && apt-get install -y -qq git wget unzip build-essential freeglut3-dev libboost-all-dev qt5-default mercurial libeigen3-dev libsqlite3-dev libssl-dev
     - wget https://github.com/Kitware/CMake/releases/download/v3.18.4/cmake-3.18.4-Linux-x86_64.sh
     - /bin/sh cmake-3.18.4-Linux-x86_64.sh --skip-license --include-subdir
-    - sudo ln -s $PWD/cmake-3.18.4-Linux-x86_64/bin/cmake /usr/local/bin/cmake
+    - ln -s $PWD/cmake-3.18.4-Linux-x86_64/bin/cmake /usr/local/bin/cmake
     - which cmake
     - cmake --version