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

tools/clang/blink_gc_plugin/tests/member_in_offheap_class.txt

Index: tools/clang/blink_gc_plugin/tests/member_in_offheap_class.txt
diff --git a/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.txt b/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.txt
deleted file mode 100644
index 9d5f2388dc8b3d140c87d7b6cbbef915658db8ff..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/member_in_offheap_class.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-In file included from member_in_offheap_class.cpp:5:
-./member_in_offheap_class.h:14:1: warning: [blink-gc] Class 'OffHeapObject' contains invalid fields.
-class OffHeapObject {
-^
-./member_in_offheap_class.h:18:5: note: [blink-gc] Member field 'm_obj' in unmanaged class declared here:
-    Member<HeapObject> m_obj; // Must not contain Member.
-    ^
-./member_in_offheap_class.h:22:1: warning: [blink-gc] Class 'StackObject' contains invalid fields.
-class StackObject {
-^
-./member_in_offheap_class.h:26:5: note: [blink-gc] Member field 'm_memberOff' to non-GC managed class declared here:
-    Member<OffHeapObject> m_memberOff; // NOT OK
-    ^
-./member_in_offheap_class.h:27:5: note: [blink-gc] Member field 'm_heapVectorMemberOff' to non-GC managed class declared here:
-    HeapVector<Member<OffHeapObject>> m_heapVectorMemberOff; // NOT OK
-    ^
-2 warnings generated.