Remove request for permission that doesn't exist < O

src/org/thoughtcrime/securesms/RegistrationActivity.java

@@ -239,7 +239,7 @@ public class RegistrationActivity extends BaseActionBarActivity implements Verif
                .request(Manifest.permission.WRITE_CONTACTS, Manifest.permission.READ_CONTACTS,
                         Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE,
                         Manifest.permission.READ_PHONE_STATE, Manifest.permission.READ_CALL_LOG,
-                        Manifest.permission.PROCESS_OUTGOING_CALLS, Manifest.permission.ANSWER_PHONE_CALLS)
+                        Manifest.permission.PROCESS_OUTGOING_CALLS)
                .ifNecessary()
                .withRationaleDialog(getString(R.string.RegistrationActivity_signal_needs_access_to_your_contacts_and_media_in_order_to_connect_with_friends),
                                     R.drawable.ic_contacts_white_48dp, R.drawable.ic_folder_white_48dp)