Remove bundled copy of Services_JSON

This is no longer needed since we require at least php >= 5.2.0
Signed-off-by: Francois Marier <francois@catalyst.net.nz>

htdocs/lib/pieforms/JSON/LICENSE

-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-
-Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in the
-documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
-WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
-NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file

htdocs/lib/pieforms/pieform.php

@@ -71,15 +71,6 @@ function pieform($data) {/*{{{*/
     return Pieform::process($data);
 }/*}}}*/
 
-// json_encode replacement, if the user doesn't have this function available
-if (!function_exists('json_encode')) {/*{{{*/
-    function json_encode($data) {
-        require_once 'JSON/JSON.php';
-        $json = new Services_JSON();
-        return $json->encode($data);
-    }
-}/*}}}*/
-
 /**
  * Pieforms throws PieformExceptions when things go wrong
  */