MDL-33041 cleanup spellchecker plugin

lib/editor/tinymce/plugins/spellchecker/config.php

@@ -24,14 +24,11 @@
 
 require('../../../../../config.php');
 
-@error_reporting(E_ALL ^ E_NOTICE); // hide notices even if Moodle is configured to show them
+@error_reporting(E_ALL ^ E_NOTICE); // Hide notices even if Moodle is configured to show them.
 
 // General settings
 $config['general.engine'] = get_config('editor_tinymce', 'spellengine') ?
         get_config('editor_tinymce', 'spellengine') : 'GoogleSpell';
-//$config['general.engine'] = 'PSpell';
-//$config['general.engine'] = 'PSpellShell';
-//$config['general.remote_rpc_url'] = 'http://some.other.site/some/url/rpc.php';
 
 // GoogleSpell settings
 $config['GoogleSpell.proxyhost'] = isset($CFG->proxyhost) ? $CFG->proxyhost : '';
@@ -51,8 +48,4 @@ if ($config['general.engine'] === 'PSpell' || $config['general.engine'] === 'PSp
     $config['PSpellShell.mode'] = PSPELL_FAST;
     $config['PSpellShell.aspell'] = $CFG->aspellpath;
     $config['PSpellShell.tmp'] = '/tmp';
-
-    // Windows PSpellShell settings
-    //$config['PSpellShell.aspell'] = '"c:\Program Files\Aspell\bin\aspell.exe"';
-    //$config['PSpellShell.tmp'] = 'c:/temp';
 }

lib/editor/tinymce/plugins/spellchecker/lang/en/tinymce_spellchecker.php

@@ -23,3 +23,5 @@
  */
 
 $string['pluginname'] = 'Check spelling';
+
+/* This plugin abuses strings from the standard TinyMCE spellchecker plugin, there is no need to duplicate them here. */

lib/editor/tinymce/plugins/spellchecker/readme_moodle.txt

@@ -0,0 +1,11 @@
+This is a modification of php spellchecker plugin by Moxiecode Systems AB,
+see https://github.com/tinymce/tinymce_spellchecker_php
+
+List of changes:
+* Add support for curl proxy when accessing Google spell service.
+* Workaround for error() function collisions.
+* Modified config file to use moodle $CFG.
+* Moved static files to /tinymce/ subfolder.
+
+Commits:
+https://github.com/moodle/custom-tinymce_spellchecker_php/commits/MOODLE_22_2.0.6b