kr_rplan_next: remove prototype

It had no implementation for years - since 456e5446ad4.

(cherry picked from commit 59126a772f1908543da68f87d646a1d08b32836f)
The commit was apparently "reverted" unintentionally when resolving
conflicts in a5b14c25b5a1.

diff --git a/lib/rplan.h b/lib/rplan.h
index 2d3810c601f9912a438bdab00fef71dcbabb8f42..6e54a6a4022e126cbf946a1431858ddd9e37c2fd 100644 (file)
--- a/lib/rplan.h
+++ b/lib/rplan.h
@@ -207,9 +207,6 @@ struct kr_query *kr_rplan_resolved(struct kr_rplan *rplan);
 KR_EXPORT KR_PURE
 struct kr_query *kr_rplan_last(struct kr_rplan *rplan);
 
-/** Return query predecessor. */
-KR_EXPORT KR_PURE
-struct kr_query *kr_rplan_next(struct kr_query *qry);
 
 /**
  * Check if a given query already resolved.