Remove get_prop of exported2_default_prop

It's world-readable by default, so get_prop call isn't needed.

Bug: 155844385
Test: m selinux_policy
Change-Id: Ie70063ccfee775f2cb5769ce7344e858a290ed8b
diff --git a/vendor/google/modem_svc.te b/vendor/google/modem_svc.te
index f039ba1..4fbf0fd 100644
--- a/vendor/google/modem_svc.te
+++ b/vendor/google/modem_svc.te
@@ -11,7 +11,6 @@
 set_prop(modem_svc, vendor_modem_diag_prop)
 set_prop(modem_svc, vendor_modem_prop)
 get_prop(modem_svc, vendor_build_type_prop)
-get_prop(modem_svc, exported2_default_prop)
 get_prop(modem_svc, exported3_radio_prop)
 
 # For bugreport collection