Harden App Store build for review

FuelBoard/SettingsView.swift

@@ -62,9 +62,6 @@ struct SettingsView: View {
     /// Hidden developer flag — the Debug section only appears when on. Toggled
     /// by tapping the About → Version row five times (NOT a user-facing switch).
     @State private var debugMode: Bool = FuelStore.loadDebugMode()
-    /// Dev-only: re-inserts the LAN relay into the live chain (off by default —
-    /// consumers must never attempt local-network access).
-    @State private var relayFallbackEnabled: Bool = FuelStore.loadRelayFallbackEnabled()
     @State private var versionTapCount = 0
     @State private var lastVersionTap = Date.distantPast
     /// Widget diagnostics: the extension's last makeEntry beacon PER intent
@@ -176,10 +173,6 @@ struct SettingsView: View {
 
                 if debugMode {
                     Section {
-                        Toggle("LAN relay fallback (dev)", isOn: $relayFallbackEnabled)
-                            .onChange(of: relayFallbackEnabled) { _, enabled in
-                                FuelStore.saveRelayFallbackEnabled(enabled)
-                            }
                         Button {
                             sendTestAlert()
                         } label: {