fix(ui): remove duplicate reset button from upper nav sidebar

apps/web/src/components/NotebookPane.tsx

@@ -420,13 +420,6 @@ export const NotebookPane = ({
             label={t("notebookPane.allMemos")}
             onClick={onBackToList}
           />
-          {demoMode && onResetDemo && (
-            <SidebarNavButton
-              icon={<RotateCcw className={cn("h-4 w-4 text-amber-600", isResettingDemo && "animate-spin")} />}
-              label={isResettingDemo ? t("demo.resetting") : t("demo.resetButton")}
-              onClick={onResetDemo}
-            />
-          )}
         </nav>
 
         <div className="group mb-2 flex items-center justify-between gap-2">