fix license

Author: moar55

libc/test/src/sys/mman/linux/process_mrelease_test.cpp

@@ -5,14 +5,7 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-//===-- Unittests for process_mrelease
-//-------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
+
 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
 #include "src/__support/threads/sleep.h"
 #include "src/errno/libc_errno.h"