flash-firmware: drop error on fail to connect

This error is already handled elsewhere.

src/components/notification-i18n.en.json

@@ -14,7 +14,6 @@
         }
     },
     "flashFirmware": {
-        "connectionFailed": "Could not connect to the hub. Restart the hub and try again.",
         "timedOut": "The hub took too long to respond. Restart the hub and try again.",
         "bleError": "There was a problem with Bluetooth.",
         "disconnected": "The hub was disconnected before flashing was completed. Restart the hub and try again.",

src/components/notification-i18n.ts

@@ -10,7 +10,6 @@ export enum MessageId {
     BleGattPermission = 'ble.gattPermission',
     BleGattServiceNotFound = 'ble.gattServiceNotFound',
     BleNoWebBluetooth = 'ble.noWebBluetooth',
-    FlashFirmwareConnectionFailed = 'flashFirmware.connectionFailed',
     FlashFirmwareTimedOut = 'flashFirmware.timedOut',
     FlashFirmwareBleError = 'flashFirmware.bleError',
     FlashFirmwareDisconnected = 'flashFirmware.disconnected',

src/sagas/notification.test.ts

@@ -44,7 +44,6 @@ test.each([
     add('warning', 'message'),
     add('error', 'message', 'url'),
     didUpdate({} as ServiceWorkerRegistration),
-    didFailToFinish(FailToFinishReasonType.FailedToConnect),
     didFailToFinish(FailToFinishReasonType.TimedOut),
     didFailToFinish(
         FailToFinishReasonType.BleError,
@@ -97,6 +96,7 @@ test.each([
 test.each([
     bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.Canceled }),
     bootloaderDidFailToConnect(BootloaderConnectionFailureReason.Canceled),
+    didFailToFinish(FailToFinishReasonType.FailedToConnect),
     didSucceed({} as ServiceWorkerRegistration),
 ])('actions that should not show a notification: %o', async (action: Action) => {
     const getToasts = jest.fn().mockReturnValue([]);

src/sagas/notification.ts

@@ -235,9 +235,6 @@ function* showFlashFirmwareError(
     action: FlashFirmwareDidFailToFinishAction,
 ): Generator {
     switch (action.reason.reason) {
-        case FailToFinishReasonType.FailedToConnect:
-            yield* showSingleton(Level.Error, MessageId.FlashFirmwareConnectionFailed);
-            break;
         case FailToFinishReasonType.TimedOut:
             yield* showSingleton(Level.Error, MessageId.FlashFirmwareTimedOut);
             break;