etcd: sort list of deprecated flags

main.go

@@ -54,20 +54,20 @@ var (
 	peerTLSInfo   = transport.TLSInfo{}
 
 	deprecated = []string{
+		"addr",
+		"cluster-active-size",
+		"cluster-remove-delay",
+		"cluster-sync-interval",
 		"config",
-		"peers-file",
-		"peer-heartbeat-interval",
-		"peer-election-timeout",
+		"force",
 		"max-result-buffer",
 		"max-retry-attempts",
+		"peer-addr",
+		"peer-heartbeat-interval",
+		"peer-election-timeout",
+		"peers-file",
 		"retry-interval",
 		"snapshot",
-		"cluster-active-size",
-		"cluster-remove-delay",
-		"cluster-sync-interval",
-		"addr",
-		"peer-addr",
-		"force",
 		"v",
 		"vv",
 	}