Remove obsolete preparser binary and tests.

test/preparser/testcfg.py

Index: test/preparser/testcfg.py
diff --git a/test/preparser/testcfg.py b/test/preparser/testcfg.py
index 566fd5ca442cbf9ebcbc5d9511a1768d6e9c9f4f..3e999f906cd2296f35be6571d04a09252e791113 100644
--- a/test/preparser/testcfg.py
+++ b/test/preparser/testcfg.py
@@ -39,7 +39,7 @@ class PreparserTestSuite(testsuite.TestSuite):
     super(PreparserTestSuite, self).__init__(name, root)
 
   def shell(self):
-    return "preparser"
+    return "d8"
 
   def _GetExpectations(self):
     expects_file = os.path.join(self.root, "preparser.expectation")
@@ -64,7 +64,7 @@ class PreparserTestSuite(testsuite.TestSuite):
       testname = os.path.join(filename, name)
       flags = ["-e", source]
       if expectation:
-        flags += ["throws", expectation]
+        flags += ["--throws"]
       test = testcase.TestCase(self, testname, flags=flags)
       result.append(test)
     def Template(name, source):
@@ -89,7 +89,7 @@ class PreparserTestSuite(testsuite.TestSuite):
       throws = expectations.get(f, None)
       flags = [f + ".js"]
       if throws:
-        flags += ["throws", throws]
+        flags += ["--throws"]
       test = testcase.TestCase(self, f, flags=flags)
       result.append(test)