go/neo/sqlite: Sync with NEO/py v1.11

ROWID was dropped from trans and obj tables.

This corresponds to NEO/py commit 243c1a0f (sqlite: optimize storage of
metadata).

go/neo/storage/sqlite/sqlite.go

@@ -99,7 +99,7 @@ const trans = `
 	ttid		INTEGER NOT NULL,
 
 	PRIMARY KEY (partition, tid)
-`
+` // TODO create "WITHOUT ROWID"
 
 // table "obj" stores committed object metadata.
 const obj = `
@@ -111,7 +111,7 @@ const obj = `
 						-- XXX ^^^ can be NOT NULL with 0 serving instead
 
 	PRIMARY KEY (partition, oid, tid)
-`
+` // TODO create "WITHOUT ROWID"
 //	`(partition, tid, oid)`
 //	`(data_id)`