Remove incorrect HTML self close tag (#23748)

HTML is not XML.

templates/user/auth/grant.tmpl

@@ -8,7 +8,7 @@
 			<div class="ui attached segment">
 				{{template "base/alert" .}}
 				<p>
-					<b>{{.locale.Tr "auth.authorize_application_description"}}</b><br/>
+					<b>{{.locale.Tr "auth.authorize_application_description"}}</b><br>
 					{{.locale.Tr "auth.authorize_application_created_by" .ApplicationCreatorLinkHTML | Str2html}}
 				</p>
 			</div>