Remove obsolete preparser binary and tests.

src/d8.h

Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 1ae1bcfe6e753221f3ae1b5a3ae3c632f2727f7a..42013e866d1ef6948ac35ad4e7690d44cf345770 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -232,6 +232,7 @@ class ShellOptions {
      interactive_shell(false),
      test_shell(false),
      dump_heap_constants(false),
+     expected_to_throw(false),
      num_isolates(1),
      isolate_sources(NULL) { }
 
@@ -256,6 +257,7 @@ class ShellOptions {
   bool interactive_shell;
   bool test_shell;
   bool dump_heap_constants;
+  bool expected_to_throw;
   int num_isolates;
   SourceGroup* isolate_sources;
 };