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

tools/clang/blink_gc_plugin/tests/templated_class_with_local_class_requires_trace.txt

Index: tools/clang/blink_gc_plugin/tests/templated_class_with_local_class_requires_trace.txt
diff --git a/tools/clang/blink_gc_plugin/tests/templated_class_with_local_class_requires_trace.txt b/tools/clang/blink_gc_plugin/tests/templated_class_with_local_class_requires_trace.txt
deleted file mode 100644
index ed0dbcae5a8c5b078689719d0a7a1e108cbd6cf1..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/templated_class_with_local_class_requires_trace.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-In file included from templated_class_with_local_class_requires_trace.cpp:5:
-./templated_class_with_local_class_requires_trace.h:22:1: warning: [blink-gc] Class 'TemplatedObject<blink::HeapObject>' contains invalid fields.
-class TemplatedObject final
-^
-./templated_class_with_local_class_requires_trace.h:46:5: note: [blink-gc] OwnPtr field 'm_ownRef' to a GC managed class declared here:
-    OwnPtr<T> m_ownRef;
-    ^
-./templated_class_with_local_class_requires_trace.h:32:5: warning: [blink-gc] Class 'Local' contains invalid fields.
-    class Local final : public GarbageCollected<Local> {
-    ^
-./templated_class_with_local_class_requires_trace.h:41:9: note: [blink-gc] OwnPtr field 'm_object' to a GC managed class declared here:
-        OwnPtr<HeapObject> m_object;
-        ^
-./templated_class_with_local_class_requires_trace.h:32:5: warning: [blink-gc] Class 'Local' requires finalization.
-    class Local final : public GarbageCollected<Local> {
-    ^
-./templated_class_with_local_class_requires_trace.h:41:9: note: [blink-gc] Field 'm_object' requiring finalization declared here:
-        OwnPtr<HeapObject> m_object;
-        ^
-3 warnings generated.