Add command to remove project activities after one year

config.default.php

@@ -238,8 +238,5 @@ define('HTTP_VERIFY_SSL_CERTIFICATE', true);
 // TOTP (2FA) issuer name
 define('TOTP_ISSUER', 'Kanboard');
 
-// Maximum number of events stored in the table "project_activities"
-define('PROJECT_ACTIVITIES_MAX_EVENTS', 10000);
-
 // Comma separated list of fields to not synchronize when using external authentication providers
 define('EXTERNAL_AUTH_EXCLUDE_FIELDS', 'username');