remove ocgcore istag

src/ocgcore-worker/ocgcore-worker-options.ts

@@ -10,6 +10,5 @@ export class OcgcoreWorkerOptions {
   hostinfo: HostInfo;
   @TransportType(() => [YGOProDeck])
   decks: YGOProDeck[];
-  isTag: boolean;
   registry: Record<string, string>;
 }

src/ocgcore-worker/ocgcore-worker.ts

@@ -188,7 +188,7 @@ export class OcgcoreWorker {
     };
 
     // Load decks
-    if (this.options.isTag) {
+    if (this.options.hostinfo.mode & 0x2) {
       // Tag duel: decks[0] for player 0 main, decks[1] for player 0 tag,
       //           decks[2] for player 1 main, decks[3] for player 1 tag
       // In tag mode: player 0 main and player 1 tag start, using newCard

src/room/room.ts

@@ -1226,7 +1226,6 @@ export class Room {
       ocgcoreWasmPath,
       registry,
       decks: duelRecord.players.map((p) => p.deck),
-      isTag: this.isTag,
     });
 
     const [