Elastic: Remove redundant menu button in Preferences on phones

skins/elastic/templates/settings.html

@@ -6,7 +6,6 @@
 
 <div class="list listbox<roundcube:exp expression="!request:_action ? '' : ' selected'"/>" aria-labelledby="aria-label-prefsection">
 	<div class="header">
-		<a class="button icon menu-button" href="#menu"><span class="inner"><roundcube:label name="menu" /></span></a>
 		<a class="button icon back-sidebar-button" href="#sidebar"><span class="inner"><roundcube:label name="settings" /></span></a>
 		<span id="aria-label-prefsection" class="header-title"><roundcube:label name="preferences" /></span>
 	</div>