Remove unnecessary code

The outer `if` (line 92) already guarantees only 2 possible values.
If `isQueryTypeChart` is false, `isForwardDestinationChart` must be true.

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>

scripts/js/charts.js

@@ -96,7 +96,7 @@ globalThis.htmlLegendPlugin = {
 
         if (isQueryTypeChart) {
           link.href = `queries?type=${item.text}`;
-        } else if (isForwardDestinationChart) {
+        } else {
           // Encode the forward destination as it may contain an "#" character
           link.href = `queries?upstream=${encodeURIComponent(upstreams[item.text])}`;
         }