Remove unused external declaration
The function DefineForeignRelation referenced in utility.c was removed
in
@@ -47,8 +47,6 @@ extern Oid DefineRelation(CreateStmt *stmt, char relkind, char relstorage, bool
extern void DefineExternalRelation(CreateExternalStmt *stmt);
-extern void DefineForeignRelation(CreateForeignStmt *createForeignStmt);
-
extern void DefinePartitionedRelation(CreateStmt *stmt, Oid reloid);
extern void EvaluateDeferredStatements(List *deferredStmts);
