db: collapse the db_queries files into the generated ones

There's no reason to have these be independent of the generated files,
all the data contained within them is 'formulaic'

devtools/sql-rewrite.py

@@ -157,6 +157,13 @@ const struct db_query db_${f}_queries[] = {
 % endfor
 };
 
+struct db_query_set ${f}_query_set = {
+         .name = "${f}",
+         .query_table = db_${f}_queries,
+         .query_table_size = ARRAY_SIZE(db_${f}_queries),
+};
+
+AUTODATA(db_queries, &${f}_query_set);
 #endif /* HAVE_${f.upper()} */
 
 #endif /* LIGHTNINGD_WALLET_GEN_DB_${f.upper()} */