remove admin settings for versions

apps/files_versions/ajax/togglesettings.php

-<?php
-
-OCP\JSON::checkAppEnabled('files_versions');
-OCP\JSON::checkAdminUser();
-OCP\JSON::callCheck();
-if (OCP\Config::getSystemValue('versions', 'true')=='true') {
-	OCP\Config::setSystemValue('versions', 'false');
-} else {
-	OCP\Config::setSystemValue('versions', 'true');
-}

apps/files_versions/js/versions.js

-$(document).ready(function() {
-        $('#versions').bind('change', function() {
-                var checked = 1;
-                if (!this.checked) {
-                        checked = 0;
-                }
-                $.post(OC.filePath('files_versions','ajax','togglesettings.php'), 'versions='+checked);
-        });
-});
-
 $(document).ready(function(){
 	if (typeof FileActions !== 'undefined') {
 		// Add history button to 'files/index.php'

apps/files_versions/settings.php

-<?php
-
-OCP\User::checkAdminUser();
-
-OCP\Util::addscript( 'files_versions', 'versions' );
-
-$tmpl = new OCP\Template( 'files_versions', 'settings');
-
-return $tmpl->fetchPage();

apps/files_versions/templates/settings.php

-<form id="versionssettings">
-	<fieldset class="personalblock">
-		<legend><strong><?php echo $l->t('Files Versioning');?></strong></legend>
-		<input type="checkbox" name="versions" id="versions" value="1"
-		<?php if (OCP\Config::getSystemValue('versions', 'true')=='true')
-			echo ' checked="checked"';
-		?> /> <label for="versions"><?php echo $l->t('Enable'); ?></label> <br/>
-	</fieldset>
-</form>