feat: move outgoing.tpl to core

templates/outgoing.tpl

@@ -1,21 +0,0 @@
-<div class="outgoing">
-
-	<!-- IMPORT partials/breadcrumbs.tpl -->
-
-	<div class="well">
-		<h3>
-			[[notifications:outgoing_link_message, {title}]]
-		</h3>
-		<p>
-			<a href="{outgoing}" rel="nofollow noopener noreferrer" class="btn btn-primary btn-lg">[[notifications:continue_to, {outgoing}]]</a>
-			<a id="return-btn" href="#" class="btn btn-lg btn-warning">[[notifications:return_to, {title}]]</a>
-		</p>
-	</div>
-</div>
-
-<script>
-	$('#return-btn').on('click', function() {
-		history.back();
-		return false;
-	});
-</script>