user management: remove unneeded and erroneous user filter reset function

settings/css/settings.css

@@ -109,10 +109,6 @@ div.quota>span {
 select.quota.active { background: #fff; }
 
 input.userFilter {width: 200px;}
-span.userFilterReset {
-	width: 16px; height: 16px; position: absolute;
-	padding-top: 20px; margin-left: -20px;
-}
 
 /* positioning fixes */
 #newuser .multiselect {

settings/js/users/users.js

@@ -425,7 +425,6 @@ $(document).ready(function () {
 	// Implements User Search
 	filter = new UserManagementFilter(
 		$('#usersearchform input'), UserList, GroupList);
-	filter.addResetButton($('.userFilterReset').first());
 
 	UserList.doSort();
 	UserList.availableGroups = $('#content table').data('groups');

settings/templates/users/part.createuser.php

@@ -28,6 +28,5 @@
 	<?php endif; ?>
 	<form autocomplete="off" id="usersearchform">
 		<input type="text" class="input userFilter" placeholder="<?php p($l->t('Search Users and Groups')); ?>" />
-		<span  class="svg icon-delete userFilterReset"></a>
 	</form>
 </div>