Remove READ_PHONE_NUMBERS pemission exceptio from Pixelmigrate.

This permission is no longer needed.
Bug: 187485024
Test: Boots without problem

Change-Id: I7936b862040a1cdb3f6a6367aa4dbea67f4bb9ae
diff --git a/default-permissions.xml b/default-permissions.xml
index 8b91a26..f42bcce 100644
--- a/default-permissions.xml
+++ b/default-permissions.xml
@@ -54,7 +54,6 @@
         <permission name="android.permission.WRITE_CALL_LOG" fixed="false"/>
         <!-- SMS -->
         <permission name="android.permission.RECEIVE_SMS" fixed="false"/>
-        <permission name="android.permission.READ_PHONE_NUMBERS" fixed="false"/>
     </exception>
 
     <exception