unwind: remove unnecessary header
Availablity.h is not used within config.h. The locations which use the
availability infrastructure already include the necessary header(s). NFC.
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@267365 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/config.h b/src/config.h
index ef6f41c..f31769c 100644
--- a/src/config.h
+++ b/src/config.h
@@ -30,8 +30,6 @@
// Platform specific configuration defines.
#ifdef __APPLE__
- #include <Availability.h>
-
#define _LIBUNWIND_BUILD_SJLJ_APIS defined(__arm__)
#if defined(FOR_DYLD)
@@ -44,7 +42,6 @@
#define _LIBUNWIND_SUPPORT_DWARF_INDEX 0
#endif
#else
-
#define _LIBUNWIND_BUILD_SJLJ_APIS 0
#if defined(__ARM_DWARF_EH__) || !defined(__arm__)
