chore: revert unnecessary change

Author: KazuCocoa

test/unit/webdriver/flutter_integration/flutter_integration_driver_test.py

@@ -17,7 +17,7 @@
 import httpretty
 
 from appium import webdriver
-from appium.options.flutter_integration import FlutterOptions
+from appium.options.flutter_integration.base import FlutterOptions
 from test.helpers.constants import SERVER_URL_BASE