Updated .travis.yml (#269)

Author: ivaylokenov

.travis.yml

@@ -22,8 +22,6 @@ branches:
   only:
     - master
     - development
-before_install:  
-  - if test "$TRAVIS_OS_NAME" == "osx"; then brew update; brew install openssl; ln -s /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib /usr/local/lib/; ln -s /usr/local/opt/openssl/lib/libssl.1.0.0.dylib /usr/local/lib/; fiopenssl; fi
 install:  
   - export DOTNET_INSTALL_DIR="$PWD/.dotnetcli"
   - curl -sSL https://raw.githubusercontent.com/dotnet/cli/rel/1.0.0/scripts/obtain/dotnet-install.sh | bash /dev/stdin --version "$CLI_VERSION" --install-dir "$DOTNET_INSTALL_DIR"