transport_get(): drop unnecessary check for !remote

At the beginning of the function we make sure remote is not NULL, and
the remainder of the funciton already depends on it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

transport.c

@@ -921,7 +921,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
 	ret->remote = remote;
 	helper = remote->foreign_vcs;
 
-	if (!url && remote && remote->url)
+	if (!url && remote->url)
 		url = remote->url[0];
 	ret->url = url;