Revert "Subzero. ARM32. Initial sandboxing code."

pydir/szbuild.py

Index: pydir/szbuild.py
diff --git a/pydir/szbuild.py b/pydir/szbuild.py
index 10ce8c1e51450dc503b72de6b40c0b0ce6c1a483..569c8caa64b3da9c5c47e62725df97cd070e40b1 100755
--- a/pydir/szbuild.py
+++ b/pydir/szbuild.py
@@ -318,14 +318,10 @@ def ProcessPexe(args, pexe, exe):
 
     # Run the linker regardless of hybrid mode.
     if args.sandbox:
-        assert args.target in ('x8632', 'arm32'), \
+        assert args.target in ['x8632'], \
             '-sandbox is not available for %s' % args.target
-        target_lib_dir = {
-          'arm32': 'arm',
-          'x8632': 'x86-32',
-        }[args.target]
         linklib = ('{root}/toolchain/linux_x86/pnacl_newlib_raw/translator/' +
-                   '{target_dir}/lib').format(root=nacl_root, target_dir=target_lib_dir)
+                   'x86-32/lib').format(root=nacl_root)
         shellcmd((
             '{gold} -nostdlib --no-fix-cortex-a8 --eh-frame-hdr -z text ' +
             '--build-id --entry=__pnacl_start -static ' +