Remove unused json script & language strings for feedback

Signed-off-by: Richard Mansfield <richardm@catalyst.net.nz>

htdocs/lang/en.utf8/view.php

@@ -106,7 +106,6 @@ $string['addusertogroup'] = 'Add this user to a group';
 $string['addedtowatchlist'] = 'This View has been added to your watchlist';
 $string['attachment'] = 'Attachment';
 $string['removedfromwatchlist'] = 'This View has been removed from your watchlist';
-$string['addfeedbackfailed'] = 'Add feedback failed';
 $string['addtowatchlist'] = 'Add View to watchlist';
 $string['removefromwatchlist'] = 'Remove View from watchlist';
 $string['alreadyinwatchlist'] = 'This View is already in your watchlist';
@@ -114,8 +113,6 @@ $string['attachedfileaddedtofolder'] = "The attached file %s has been added to y
 $string['complaint'] = 'Complaint';
 $string['date'] = 'Date';
 $string['feedback'] = 'Feedback';
-$string['feedbackonthisartefactwillbeprivate'] = 'Feedback on this artefact will only be visible to the owner.';
-$string['nopublicfeedback'] = 'No public feedback';
 $string['notifysiteadministrator'] = 'Notify site administrator';
 $string['print'] = 'Print';
 $string['reportobjectionablematerial'] = 'Report objectionable material';
@@ -154,7 +151,6 @@ $string['empty_block'] = 'Select an artefact from the tree on the left to place
 $string['viewinformationsaved'] = 'View information saved successfully';
 
 $string['canteditdontown'] = 'You can\'t edit this View because you don\'t own it';
-$string['canteditdontownfeedback'] = 'You can\'t edit this feedback because you don\'t own it';
 $string['canteditsubmitted'] = 'You can\'t edit this View because it has been submitted for assessment to "%s". You will have to wait until a tutor releases your view.';
 
 $string['addtutors'] = 'Add Tutors';

htdocs/view/changefeedback.json.php

-<?php
-/**
- * Mahara: Electronic portfolio, weblog, resume builder and social networking
- * Copyright (C) 2006-2009 Catalyst IT Ltd and others; see:
- *                         http://wiki.mahara.org/Contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * @package    mahara
- * @subpackage core
- * @author     Catalyst IT Ltd
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
- * @copyright  (C) 2006-2009 Catalyst IT Ltd http://catalyst.net.nz
- *
- */
-
-define('INTERNAL', 1);
-define('JSON', 1);
-
-require(dirname(dirname(__FILE__)) . '/init.php');
-
-$feedback_id = param_integer('id');
-$feedback_table = param_variable('table');
-
-if ($feedback_table != 'view_feedback' && $feedback_table != 'artefact_feedback') {
-    json_reply('local', 'Invalid table type');
-}
-
-$view_id = get_field($feedback_table, 'view', 'id', $feedback_id);
-$owner = get_field('view', 'owner', 'id', $view_id);
-
-if ($owner != $USER->get('id')) {
-    json_reply('local', get_string('canteditdontownfeedback', 'view'));
-}
-
-update_record($feedback_table, (object)array('public' => 0, 'id' => $feedback_id));
-
-json_headers();
-
-json_reply(false,get_string('feedbackchangedtoprivate', 'view'));
-
-?>