[Passwords] Remove GooglePasswordManagerUIProvider...

...showGooglePasswordManager

Bug: 903249
Change-Id: I8e76df331263ca52846fe48f94b2cbbc412a9ea7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2403282Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#806260}

chrome/android/java/src/org/chromium/chrome/browser/password_manager/GooglePasswordManagerUIProvider.java

@@ -9,17 +9,6 @@ import android.app.Activity;
  * Shows the Google Password Manager UI if possible.
  */
 public interface GooglePasswordManagerUIProvider {
-    /**
-     * Shows the Google Password Manager UI if possible.
-     *
-     * @param activity The activity from which to launch the UI to manage passwords.
-     * @return Whether showing the Google Password Manager UI was possible or not.
-     * TODO(crbug.com/903249): Remove once downstream implementation is removed.
-     **/
-    default boolean showGooglePasswordManager(Activity activity) {
-        return false;
-    }
-
     /**
      * Launches the Password Checkup if possible.
      *