fixup! check per-query flags instead of global options, getter for NS name

Remove stray kr_zonecut_find_nsname() which somehow appeared in
45e38b3d.

daemon/lua/kres-gen.lua

@@ -286,7 +286,7 @@ struct kr_query *kr_rplan_resolved(struct kr_rplan *);
 struct kr_query *kr_rplan_last(struct kr_rplan *);
 int kr_nsrep_set(struct kr_query *, size_t, const struct sockaddr *);
 uint32_t kr_rand_uint(uint32_t);
-int kr_make_query(struct kr_query *query, knot_pkt_t *pkt);
+int kr_make_query(struct kr_query *, knot_pkt_t *);
 void kr_pkt_make_auth_header(knot_pkt_t *);
 int kr_pkt_put(knot_pkt_t *, const knot_dname_t *, uint32_t, uint16_t, uint16_t, const uint8_t *, uint16_t);
 int kr_pkt_recycle(knot_pkt_t *);
@@ -307,7 +307,6 @@ void kr_qflags_clear(struct kr_qflags *, struct kr_qflags);
 int kr_zonecut_add(struct kr_zonecut *, const knot_dname_t *, const knot_rdata_t *);
 _Bool kr_zonecut_is_empty(struct kr_zonecut *);
 void kr_zonecut_set(struct kr_zonecut *, const knot_dname_t *);
-const knot_dname_t *kr_zonecut_find_nsname(struct kr_zonecut *);
 uint64_t kr_now();
 void lru_free_items_impl(struct lru *);
 struct lru *lru_create_impl(unsigned int, knot_mm_t *, knot_mm_t *);

daemon/lua/kres-gen.sh

@@ -168,7 +168,6 @@ EOF
 	kr_zonecut_add
 	kr_zonecut_is_empty
 	kr_zonecut_set
-	kr_zonecut_find_nsname
 	kr_now
 	lru_free_items_impl
 	lru_create_impl