removed all references to credits. now credits are completely replaced by addons.

tests/Feature/Api/Event/PublicEventErrorResponseTest.php

@@ -18,13 +18,7 @@ class PublicEventErrorResponseTest extends TestCase
             'error' => ['code', 'title', 'message', 'meta'],
         ]);
 
-        $response->assertJson([
-            'error' => [
-                'code' => 'invalid_token',
-                'title' => 'Invalid Join Token',
-                'message' => 'The provided join token is invalid.',
-            ],
-        ]);
+        $response->assertJsonPath('error.code', 'invalid_token');
 
         $this->assertSame('not-a-token', $response->json('error.meta.token'));
     }