remove htmlpurifier

lib/htmlpurifier/library/HTMLPurifier/ConfigSchema/schema/URI.AllowedSchemes.txt

@@ -1,17 +0,0 @@
-URI.AllowedSchemes
-TYPE: lookup
---DEFAULT--
-array (
-  'http' => true,
-  'https' => true,
-  'mailto' => true,
-  'ftp' => true,
-  'nntp' => true,
-  'news' => true,
-)
---DESCRIPTION--
-Whitelist that defines the schemes that a URI is allowed to have.  This
-prevents XSS attacks from using pseudo-schemes like javascript or mocha.
-There is also support for the <code>data</code> and <code>file</code>
-URI schemes, but they are not enabled by default.
---# vim: et sw=4 sts=4