fix: remove duplicate handleSave function declaration

- Removed duplicate handleSave function that was causing syntax error
- The duplicate declaration was introduced during a previous merge/rebase
- This fixes the build-test CI failure

Signed-off-by: Team Coding Agent 1 <team-coding-agent-1@localai.ai>

Author: Team Coding Agent 1

core/http/react-ui/src/pages/Settings.jsx

@@ -55,9 +55,6 @@ export default function Settings() {
     } catch (_e) { /* ignore */ }
   }, [])
 
-  const handleSave = async () => {
-    setSaving(true)
-    try {
   const handleSave = async () => {
     setSaving(true)
     try {