remove change config

Author: Hani Yacoub

l10n_CM/Unified/test_demo_ad_email_phone_captured_in_doorhanger_and_stored.py

@@ -22,12 +22,8 @@ def test_demo_ad_email_phone_captured_in_doorhanger_and_stored(driver: Firefox,
     address_autofill = AddressFill(driver)
     address_autofill_popup = AutofillPopup(driver)
     util = Utilities()
-    about_config = AboutConfig(driver)
     browser_action_obj = BrowserActions(driver)
 
-    # Change pref value of region
-    about_config.change_config_value("browser.search.region", region)
-
     # create fake data and fill it in
     address_autofill.open()
     address_autofill_data = util.fake_autofill_data(region)