Remove deprecated code from the OLPC Peru filter plugin - refs #4925

plugin/olpc_peru_filter/index.php

@@ -1,38 +1,4 @@
 <?php
 /* For licensing terms, see /license.txt */
-/**
- * This script shows a list of options that are taken from a Squid configuration
- * directory and lets the teacher choose which filter options to enable for his
- * course.
- */
-/**
- * Configuration settings. Update if your Squid files are somewhere else
- */
-define('BLACKLISTS_ENABLED_FILE','/var/sqg/blacklists');
-define('BLACKLISTS_DIR','/var/squidGuard/blacklists');
-/**
- * Reading list
- */
-$list = scandir(BLACKLISTS_DIR);
-$categories = array();
-foreach ($list as $file) {
-    if (substr($file,0,1) == '.' or $file == 'custom_blacklist' or is_dir(BLACKLIST_DIR.'/'.$file)) {
-        continue;
-    }
-    $categories[] = $file; 
-}
-sort($categories);
-/**
- * Generate a checkboxes list with the names of the categories found in the
- * directory. Already check if the category belongs to a $blacklist
- */
-$blacklist = file(BLACKLISTS_ENABLED_FILE);
-foreach ($categories as $category) {
-    foreach ($blacklist as $blacklisted) {
-        $checked = '';
-        if ($category == trim($blacklisted)) {
-            $checked = ' checked="checked"';
-        }
-        echo '<input type="checkbox" name="blacklists[]" value="'.$category.'" '.$checked.'>'.$category.'</input><br />';
-    }
-}
+// placeholder - this plugin manages everything from its class and there is
+// no end-user interface