chore: remove dead code

lib/new-settings-loader.js

@@ -216,29 +216,15 @@ function load (versionId) {
     }))
 }
 
-function migrate () {
-  return loadLatest(OLD_SETTINGS_LOADER_SCHEMA_VERSION)
-    .then(res => {
-      const migrated = migration.migrate(res.config, res.accounts)
-      saveConfig(migrated.config)
-      saveAccounts(migrated.accounts)
-      
-      return migrated
-    })
-}
-
 module.exports = {
   saveConfig,
   migrationSaveConfig,
-  resetConfig,
   saveAccounts,
-  resetAccounts,
   loadAccounts,
   showAccounts,
   loadLatest,
   loadLatestConfig,
   loadLatestConfigOrNone,
   load,
-  migrate,
   removeFromConfig
 }