Rollback of Pull #366

sorin-ionescu had some good points.

plugins/node/node.plugin.zsh

@@ -1,8 +1,5 @@
-# This works if you installed node via homebrew.
-export NODE_PATH="/usr/local/lib/node"
-
 # Open the node api for your current version to the optional section.
 # TODO: Make the section part easier to use.
-function node-api {
+function node-docs {
 	open "http://nodejs.org/docs/$(node --version)/api/all.html#$1"
 }