Revert "Add syntax highlighting for notes"

This reverts commit c6727ea4f2f427429f0daa101fab3c3aede05560.
Removing google-code-prettify library.
Revert "Add 'google code prettify' library"

This reverts commit 7d6fa3eb2f58e90c70a3c42e491bd8d70d2fcee5.
Removing google-code-prettify library.

Conflicts:
	springwhiz/static/libs/google-code-prettify/lang-apollo.js
	springwhiz/static/libs/google-code-prettify/lang-clj.js
	springwhiz/static/libs/google-code-prettify/lang-css.js
	springwhiz/static/libs/google-code-prettify/lang-go.js
	springwhiz/static/libs/google-code-prettify/lang-hs.js
	springwhiz/static/libs/google-code-prettify/lang-lisp.js
	springwhiz/static/libs/google-code-prettify/lang-lua.js
	springwhiz/static/libs/google-code-prettify/lang-ml.js
	springwhiz/static/libs/google-code-prettify/lang-n.js
	springwhiz/static/libs/google-code-prettify/lang-proto.js
	springwhiz/static/libs/google-code-prettify/lang-scala.js
	springwhiz/static/libs/google-code-prettify/lang-sql.js
	springwhiz/static/libs/google-code-prettify/lang-tex.js
	springwhiz/static/libs/google-code-prettify/lang-vb.js
	springwhiz/static/libs/google-code-prettify/lang-vhdl.js
	springwhiz/static/libs/google-code-prettify/lang-wiki.js
	springwhiz/static/libs/google-code-prettify/lang-xq.js
	springwhiz/static/libs/google-code-prettify/lang-yaml.js
	springwhiz/static/libs/google-code-prettify/prettify.css
	springwhiz/static/libs/google-code-prettify/prettify.js
Remove 'start' from INSTALLED_APPS