Removed line deemed incompatible with Dialer open source.

Test: "No tests"
PiperOrigin-RevId: 202563908
Change-Id: I40cf6e7df94db1f7706b7af6168f984d64718f32
diff --git a/java/com/android/dialer/voicemail/settings/res/layout/activity_current_voicemail_greeting.xml b/java/com/android/dialer/voicemail/settings/res/layout/activity_current_voicemail_greeting.xml
index 3055834..3e90cf7 100644
--- a/java/com/android/dialer/voicemail/settings/res/layout/activity_current_voicemail_greeting.xml
+++ b/java/com/android/dialer/voicemail/settings/res/layout/activity_current_voicemail_greeting.xml
@@ -31,7 +31,6 @@
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:accessibilityHeading="false"
         android:title="@string/voicemail_change_greeting_preference_title">
     </com.android.dialer.widget.DialerToolbar>