Revert unnecessary automationName from local browserstack-ios.yml

Rationale:
- CI failure was in browserstack-ios-ci.yml (now fixed)
- Local runs don't require explicit automationName in YAML
- Appium/SDK defaults to XCUITest for iOS automatically
- Keep local config minimal, only add to CI where needed

CI (browserstack-ios-ci.yml) has explicit automationName for clarity
Local (browserstack-ios.yml) remains simple with just credentials and app path

Author: bastheboss7

browserstack-ios.yml

@@ -1,10 +1,7 @@
 userName: aishwaryalakshmi_flVCjb
 accessKey: RsRLTRVEKShpDovu5sgb
 
-app: app/browserstack/ios/BStackSampleApp.ipa  # Local path - SDK auto-uploads on first use
-
-# iOS-specific automation settings (REQUIRED for iOS)
-automationName: XCUITest
+app: app/browserstack/ios/BStackSampleApp.ipa  # Local path (SDK auto-uploads) or custom_id for stable reference
 
 platforms:
   - deviceName: iPhone 14 Pro Max