simplify

Author: bbrks

db/revtree.go

@@ -181,15 +181,13 @@ func (tree *RevTree) UnmarshalJSON(inputjson []byte) (err error) {
 		(*tree)[rep.Revs[i]] = info
 	}
 
-	if len(rep.ChannelsMap) > 0 {
-		for iStr, channels := range rep.ChannelsMap {
-			i, err := strconv.ParseInt(iStr, 10, 64)
-			if err != nil {
-				return err
-			}
-			info := (*tree)[rep.Revs[i]]
-			info.Channels = channels
+	for iStr, channels := range rep.ChannelsMap {
+		i, err := strconv.ParseInt(iStr, 10, 64)
+		if err != nil {
+			return err
 		}
+		info := (*tree)[rep.Revs[i]]
+		info.Channels = channels
 	}
 
 	// we shouldn't be in a situation where we have both channels and channelsMap populated, but we still need to handle the old format