Update Doxygen file blocks to remove copyright and license information
diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 4eb7b78..bd4ca90 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -2,7 +2,8 @@
  * \file error.h
  *
  * \brief Error to string translation
- *
+ */
+/*
  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
  *  SPDX-License-Identifier: Apache-2.0
  *