Revert "[LW-12241] Update index.ts to cater for the cleardown of ledger state if not alr… (#3276)"

This reverts commit b54a34e.

The ledger team say it’s unnecessary.

Author: michalrus

source/main/index.ts

@@ -1,6 +1,5 @@
 import os from 'os';
 import path from 'path';
-import * as fs from 'fs';
 import { app, dialog, BrowserWindow, screen, shell } from 'electron';
 import type { Event } from 'electron';
 import EventEmitter from 'events';
@@ -25,7 +24,6 @@ import {
   RTS_FLAGS,
   stateDirectoryPath,
 } from './config';
-
 import { setupCardanoNode } from './cardano/setup';
 import { CardanoNode } from './cardano/CardanoNode';
 import { safeExitWithCode } from './utils/safeExitWithCode';
@@ -135,50 +133,8 @@ const handleWindowClose = async (event: Event | null | undefined) => {
   await safeExit();
 };
 
-const clearLedger = async () => {
-  const flagFileShortName = 'has_upgraded_to_pv_10';
-  const chainLedgerDir = 'chain/ledger';
-
-  const flagFileLongName = path.join(
-    launcherConfig.stateDir,
-    flagFileShortName
-  );
-
-  // Check if the flag file exists
-  if (fs.existsSync(flagFileLongName)) {
-    logger.info(`${flagFileLongName} found. NoHskpg.`);
-  } else {
-    try {
-      const chainLedgerLongName = path.join(
-        launcherConfig.stateDir,
-        chainLedgerDir
-      );
-
-      const files = fs.readdirSync(chainLedgerLongName);
-
-      for (const file of files) {
-        // DelIterator
-        const filePath = path.join(chainLedgerLongName, file);
-        if (fs.lstatSync(filePath).isFile()) {
-          // ?it's a file
-          fs.unlinkSync(filePath);
-          logger.info(`HskpgDone: ${filePath}`);
-        }
-      }
-
-      // Create v10-upgraded completed marker
-      fs.writeFileSync(flagFileLongName, 'HskpgNwFlag');
-    } catch (err) {
-      logger.error(`Error removing files: ${err}`);
-    }
-  }
-};
-
 const onAppReady = async () => {
   setupLogging();
-
-  await clearLedger();
-
   await logUsedVersion(
     environment.version,
     path.join(pubLogsFolderPath, 'Daedalus-versions.json')