Update AndroidManifest.xml

remove deleted activity from manifest

Author: Sanju Singh

auth/src/main/AndroidManifest.xml

@@ -36,9 +36,6 @@
             android:name="com.firebase.ui.auth.ui.account_link.SaveCredentialsActivity"
             android:label="@string/default_toolbar_title"
             android:theme="@style/FirebaseUI.Translucent" />
-        <activity
-            android:name="com.firebase.ui.auth.ui.account_link.AccountLinkInitActivity"
-            android:theme="@style/FirebaseUI" />
         <activity
             android:name="com.firebase.ui.auth.ui.account_link.WelcomeBackIDPPrompt"
             android:label="@string/title_welcome_back_idp_prompt"