Don't mess with s2s out when aborting s2s in

Don't try to look up and close outgoing connections to a given server
when aborting incoming connections from that server due to certificate
verification errors.  The ejabberd_s2s:find_connection/2 call actually
created one or more *new* connections if less than 'max_s2s_connections'
connections were found.  Then, no more than one of those possibly new
connections were stopped by the ejabberd_s2s_out:stop_connection/1 call.

It's not really necessary to bother with outgoing connections at all,
here.

src/ejabberd_s2s_in.erl

@@ -297,13 +297,6 @@ wait_for_stream({xmlstreamstart, _Name, Attrs},
 			  <<(xml:element_to_binary(?SERRT_POLICY_VIOLATION(<<"en">>,
 									   CertError)))/binary,
 			    (?STREAM_TRAILER)/binary>>),
-		{atomic, Pid} =
-		    ejabberd_s2s:find_connection(jlib:make_jid(<<"">>,
-							       Server, <<"">>),
-						 jlib:make_jid(<<"">>,
-							       RemoteServer,
-							       <<"">>)),
-		ejabberd_s2s_out:stop_connection(Pid),
 		{stop, normal, StateData};
 	    {VerifyResult, RemoteServer, Msg} ->
 		{SASL, NewStateData} = case VerifyResult of