fix: resolve lint and typecheck issues

src/main/services/user/migration/run-migration.ts

@@ -11,13 +11,9 @@
 import * as mysql from 'mysql2/promise'
 import * as fs from 'fs'
 import * as path from 'path'
-import { fileURLToPath } from 'url'
-import { dirname } from 'path'
 import yaml from 'js-yaml'
 import { z } from 'zod'
 
-const __filename = fileURLToPath(import.meta.url)
-
 /**
  * MySQL configuration schema
  */