silence incorrect error log

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@999 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/mod_openzap/mod_openzap.c

@@ -1159,12 +1159,9 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
 	}
 	
 	if (status != ZAP_SUCCESS) {
-		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No channels available\n");
-
 		if (caller_data.hangup_cause == SWITCH_CAUSE_NONE) {
 			caller_data.hangup_cause = SWITCH_CAUSE_NORMAL_CIRCUIT_CONGESTION;
 		}
-
 		return caller_data.hangup_cause;
 	}