VLR: drop unused struct members

Change-Id: I322072653b41cf250aa2c1e346e00bae884feb84
diff --git a/include/osmocom/msc/vlr.h b/include/osmocom/msc/vlr.h
index 68e0759..2f31063 100644
--- a/include/osmocom/msc/vlr.h
+++ b/include/osmocom/msc/vlr.h
@@ -171,9 +171,6 @@
 	/* PS (SGSN) specific parts */
 	struct {
 		struct llist_head pdp_list;
-		uint8_t rac;
-		uint8_t sac;
-		struct gprs_mm_ctx *mmctx;
 	} ps;
 	/* CS (NITB/CSCN) specific parts */
 	struct {