Remove third_party/json_minify.

third_party/json_minify/README

-/*! JSON.minify()
-        v0.1 (c) Kyle Simpson
-        MIT License
-*/
-
-JSON.minify() minifies blocks of JSON-like content into valid JSON by removing all 
-whitespace *and* comments.
-
-JSON parsers (like JavaScript's JSON.parse() parser) generally don't consider JSON
-with comments to be valid and parseable. So, the intended usage is to minify 
-development-friendly JSON (with comments) to valid JSON before parsing, such as:
-
-JSON.parse(JSON.minify(str));
-
-Now you can maintain development-friendly JSON documents, but minify them before
-parsing or before transmitting them over-the-wire.
-
-Though comments are not officially part of the JSON standard, this post from
-Douglas Crockford back in late 2005 helps explain the motivation behind this project.
-
-http://tech.groups.yahoo.com/group/json/message/152
-
-"A JSON encoder MUST NOT output comments. A JSON decoder MAY accept and ignore comments."
-
-Basically, comments are not in the JSON *generation* standard, but that doesn't mean
-that a parser can't be taught to ignore them. Which is exactly what JSON.minify()
-is for.
-
-The first implementation of JSON.minify() is in JavaScript, but the intent is to
-port the implementation to as many other environments as possible/practical.
-
-NOTE: As transmitting bloated (ie, with comments/whitespace) JSON would be wasteful
-and silly, this JSON.minify() is intended for use in server-side processing
-environments where you can strip comments/whitespace from JSON before parsing
-a JSON document, or before transmitting such over-the-wire from server to browser.