Remove tools/clang (this will break things temporarily).

tools/clang/plugins/tests/enum_last_value_from_c.c

Index: tools/clang/plugins/tests/enum_last_value_from_c.c
diff --git a/tools/clang/plugins/tests/enum_last_value_from_c.c b/tools/clang/plugins/tests/enum_last_value_from_c.c
deleted file mode 100644
index 7fecbc0800085e9296d3c63da3d08f889ee18968..0000000000000000000000000000000000000000
--- a/tools/clang/plugins/tests/enum_last_value_from_c.c
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// We warn when xxxLAST constants aren't last.
-enum BadOne {
-  kBadOneInvalid = -1,
-  kBadOneRed,
-  kBadOneGreen,
-  kBadOneBlue,
-  kBadOneLast = kBadOneGreen
-};
-
-// We don't handle this case when called from C due to sign mismatch issues.
-// No matter; we're not looking for this issue outside of C++.
-enum FailOne {
-  FAIL_ONE_INVALID,
-  FAIL_ONE_RED,
-  FAIL_ONE_GREEN,
-  FAIL_ONE_BLUE = 0xfffffffc,
-  FAIL_ONE_LAST = FAIL_ONE_GREEN
-};
-
-// We don't warn when xxxLAST constants are last.
-enum GoodOne {
-  kGoodOneInvalid = -1,
-  kGoodOneRed,
-  kGoodOneGreen,
-  kGoodOneBlue,
-  kGoodOneLast = kGoodOneBlue
-};
-
-// We don't warn when xxx_LAST constants are last.
-enum GoodTwo {
-  GOOD_TWO_INVALID,
-  GOOD_TWO_RED,
-  GOOD_TWO_GREEN,
-  GOOD_TWO_BLUE = 0xfffffffc,
-  GOOD_TWO_LAST = GOOD_TWO_BLUE
-};