Remove the deprecated WEB_VIEW_ONLY login behavior since it no longer…

… works

Summary:
The `WEB_VIEW_ONLY` setting does not work and according to this article stopped working sometime last year
https://developers.facebook.com/blog/post/2021/06/28/deprecating-support-fb-login-authentication-android-embedded-browsers/

Reviewed By: joesus

Differential Revision: D40963098

fbshipit-source-id: cf1ba3ec8465dcfeb722a2209a57991fb80711d4

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Increased minSdkVersion from 15 to 21
 - Instance variables in `MessengerThreadParams` are now not directly accessible from Java due to conversion to Kotlin. Use the corresponding getters to access them in Java, i.e. `params.getMetadata()` instead of `params.metadata`.
+- Removed deprecated LoginBehavior.WEB_VIEW_ONLY setting.
 
 ## [15.1.0]
 

facebook-common/src/main/java/com/facebook/login/LoginBehavior.kt

@@ -28,14 +28,6 @@ enum class LoginBehavior {
   /** Specifies that only the web dialog auth should be used. */
   WEB_ONLY(false, false, true, false, true, false, false),
 
-  /**
-   * Specifies that only the web view dialog auth should be used.
-   * @deprecated Web view login is deprecated. This value will be removed in a future release. More
-   * information at https://developers.facebook.com/docs/facebook-login/android/deprecating-webviews
-   */
-  @Deprecated("Webview is deprecated as of 11/5/2021")
-  WEB_VIEW_ONLY(false, false, true, false, false, false, false),
-
   /** Specifies that only the web dialog auth (from anywhere) should be used */
   DIALOG_ONLY(false, true, true, false, true, true, true),