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

tools/clang/blink_gc_plugin/tests/ref_ptr_to_gc_managed_class.txt

Index: tools/clang/blink_gc_plugin/tests/ref_ptr_to_gc_managed_class.txt
diff --git a/tools/clang/blink_gc_plugin/tests/ref_ptr_to_gc_managed_class.txt b/tools/clang/blink_gc_plugin/tests/ref_ptr_to_gc_managed_class.txt
deleted file mode 100644
index fd4978512d36a4b617e14283fbfcd8e2c05b9edf..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/ref_ptr_to_gc_managed_class.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-In file included from ref_ptr_to_gc_managed_class.cpp:5:
-./ref_ptr_to_gc_managed_class.h:14:1: warning: [blink-gc] Class 'PartObject' contains invalid fields.
-class PartObject {
-^
-./ref_ptr_to_gc_managed_class.h:17:5: note: [blink-gc] RefPtr field 'm_obj' to a GC managed class declared here:
-    RefPtr<HeapObject> m_obj;
-    ^
-./ref_ptr_to_gc_managed_class.h:20:1: warning: [blink-gc] Class 'HeapObject' contains invalid fields.
-class HeapObject : public GarbageCollectedFinalized<HeapObject> {
-^
-./ref_ptr_to_gc_managed_class.h:25:5: note: [blink-gc] RefPtr field 'm_objs' to a GC managed class declared here:
-    Vector<RefPtr<HeapObject> > m_objs;
-    ^
-2 warnings generated.