[libc-tests] Don't test sizeof(jmp_buf)

This test is not useful. There is an explicit size test in the
Zircon libc build itself already.

Bug: 125629
Change-Id: Ib83f14c78e2054e279d84db3cc487114f8615265
Reviewed-on: https://fuchsia-review.googlesource.com/c/libc-tests/+/846636
Fuchsia-Auto-Submit: Roland McGrath <mcgrathr@google.com>
Reviewed-by: Alex Brachet <abrachet@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/third_party/nacl-ported-tests/abi/abi.cc b/third_party/nacl-ported-tests/abi/abi.cc
index 16769d2..7543646 100644
--- a/third_party/nacl-ported-tests/abi/abi.cc
+++ b/third_party/nacl-ported-tests/abi/abi.cc
@@ -12,7 +12,6 @@
  */
 
 #include <dirent.h>
-#include <setjmp.h>
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>
@@ -102,12 +101,6 @@
 
   CHECK_SIZEOF(struct stat, 144);
   CHECK_SIZEOF(struct dirent, 280);
-
-#if defined(__aarch64__)
-  CHECK_SIZEOF(jmp_buf, 320);
-#else
-  CHECK_SIZEOF(jmp_buf, 208);
-#endif
 }