Simplify database migrations

ts/sql/migrations/930-fts5-secure-delete.ts

@@ -1,26 +1,6 @@
 // Copyright 2023 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import type { Database } from '@signalapp/sqlcipher';
-
-import type { LoggerType } from '../../types/Logging';
-
-export const version = 930;
-
-export function updateToSchemaVersion930(
-  currentVersion: number,
-  db: Database,
-  logger: LoggerType
-): void {
-  if (currentVersion >= 930) {
-    return;
-  }
-
-  db.transaction(() => {
-    // This was a migration that enabled 'secure-delete' in FTS
-
-    db.pragma('user_version = 930');
-  })();
-
-  logger.info('updateToSchemaVersion930: success!');
+export default function updateToSchemaVersion930(): void {
+  // This was a migration that enabled 'secure-delete' in FTS
 }