crypto: update documentation
@@ -91,8 +91,6 @@ All variants of the plugin work under Mac OS Sierra (Version 10.12.3 (16D32)).
To set up the build environment on Mac OS Sierra we recommend using [Homebrew](http://brew.sh/).
Follow these steps to get everything up and running:
- brew update
- brew upgrade
brew install openssl botan libgcrypt pkg-config cmake
# The next step is required for pkg-config to find the include files of OpenSSL
ln -s /usr/local/opt/openssl/include/openssl/ /usr/local/include/openssl
