Completely nuke node

`brew uninstall node` seems to leave behind npm

.travis.yml

@@ -9,6 +9,7 @@ addons:
 before_install:
   - zsh --version
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew uninstall node; fi
+  - sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*,man1/node*}
   - if [[ $(command -v nvm) == "nvm" ]]; then nvm deactivate && nvm unload && echo "Deactivated Travis nvm"; fi
 install:
   - (mkdir /tmp/urchin && cd /tmp/urchin && curl -s "$(curl -s https://registry.npmjs.com/urchin | grep -Eo '"tarball":\s*"[^"]+"' | tail -n 1 | awk -F\" '{ print $4 }')" -O && tar -x -f urchin*)