remove configuração do autenticador para que seja utilizada a configuração padrão

compose/common/config.d/authentication.php

 <?php
 return [
     'auth.provider' => '\MultipleLocalAuth\Provider',
-    'auth.config' => array(
-        'salt' => 'LT_SECURITY_SALT_SECURITY_SALT_SECURITY_SALT_SECURITY_SALT_SECU',
+];
\ No newline at end of file
-        'timeout' => '24 hours',
-        'strategies' => [
-           'Facebook' => array(
-               'app_id' => env('AUTH_FACEBOOK_APP_ID', null),
-               'app_secret' => env('AUTH_FACEBOOK_APP_SECRET', null),
-               'scope' => env('AUTH_FACEBOOK_SCOPE', 'email'),
-           ),
-
-            'LinkedIn' => array(
-                'api_key' => env('AUTH_LINKEDIN_API_KEY', null),
-                'secret_key' => env('AUTH_LINKEDIN_SECRET_KEY', null),
-                'redirect_uri' => APP_BASE_URL . 'autenticacao/linkedin/oauth2callback',
-                'scope' => env('AUTH_LINKEDIN_SCOPE', 'r_emailaddress')
-            ),
-            'Google' => array(
-                'client_id' => env('AUTH_GOOGLE_CLIENT_ID', null),
-                'client_secret' => env('AUTH_GOOGLE_CLIENT_SECRET', null),
-                'redirect_uri' => APP_BASE_URL . 'autenticacao/google/oauth2callback',
-                'scope' => env('AUTH_GOOGLE_SCOPE', 'email'),
-            ),
-            'Twitter' => array(
-                'app_id' => env('AUTH_TWITTER_APP_ID', null),
-                'app_secret' => env('AUTH_TWITTER_APP_SECRET', null),
-            ),
-
-        ]
-    ),
-];