Remove accidentally added id attribute

Author: pabzm

skins/elastic/templates/login.html

@@ -10,7 +10,7 @@ <h1 class="voice"><roundcube:object name="productname" /> <roundcube:label name=
 			<roundcube:object name="productname" condition="config:display_product_info &gt; 0" />
 			<roundcube:object name="version" condition="config:display_product_info == 2" />
 			<roundcube:if condition="config:support_url" />
-				&nbsp;&bull;&nbsp; <a href="<roundcube:var name='config:support_url' />" target="_blank" rel="noopener" id="supportlink" class="support-link"><roundcube:label name="support" /></a>
+				&nbsp;&bull;&nbsp; <a href="<roundcube:var name='config:support_url' />" target="_blank" rel="noopener" class="support-link"><roundcube:label name="support" /></a>
 			<roundcube:endif />
 			<roundcube:container name="loginfooter" id="login-footer" />
 		</div>