sys_ptrace_test.cpp: remove obsolete glibc workaround.
We've updated the glibc headers since.
Change-Id: I32020bd703c22cd151db9c939632c4354ab872f8
diff --git a/tests/sys_ptrace_test.cpp b/tests/sys_ptrace_test.cpp
index 93daac3..499adbb 100644
--- a/tests/sys_ptrace_test.cpp
+++ b/tests/sys_ptrace_test.cpp
@@ -41,11 +41,6 @@
using android::base::unique_fd;
-// Host libc does not define this.
-#ifndef TRAP_HWBKPT
-#define TRAP_HWBKPT 4
-#endif
-
class ChildGuard {
public:
explicit ChildGuard(pid_t pid) : pid(pid) {}