Remove all @author tags; we have Git history

lib/SimpleSAML/Auth/ProcessingChain.php

lib/SimpleSAML/Auth/ProcessingFilter.php

lib/SimpleSAML/Auth/Source.php

lib/SimpleSAML/Auth/State.php

lib/SimpleSAML/Configuration.php

lib/SimpleSAML/Database.php

lib/SimpleSAML/Error/Assertion.php

lib/SimpleSAML/Error/BadRequest.php

lib/SimpleSAML/Error/BadUserInput.php

lib/SimpleSAML/Error/CannotSetCookie.php

lib/SimpleSAML/Error/ConfigurationError.php

lib/SimpleSAML/Error/CriticalConfigurationError.php

lib/SimpleSAML/Error/Error.php

lib/SimpleSAML/Error/ErrorCodes.php

lib/SimpleSAML/Error/Exception.php

lib/SimpleSAML/Error/InvalidCredential.php

lib/SimpleSAML/Error/NotFound.php

lib/SimpleSAML/Error/User.php

lib/SimpleSAML/Error/UserNotFound.php

lib/SimpleSAML/Locale/Language.php