Travis: Do not manually update Homebrew
The current version of `brew` automatically updates the formula index
before it installs a package. Therefore it does not make much sense to
update the index manually beforehand.
@@ -22,7 +22,6 @@ before_install:
rvm use 2.3.1;
gem install test-unit --no-document;
export PATH=/usr/local/bin:/usr/local/sbin:$PATH;
- brew update;
brew tap caskroom/cask;
brew install swig;
brew install gobject-introspection;
