Remove obsolete src/v8.h include from compiler cctests.

test/cctest/compiler/test-node.cc

Index: test/cctest/compiler/test-node.cc
diff --git a/test/cctest/compiler/test-node.cc b/test/cctest/compiler/test-node.cc
index 6fc99f8615587a6f2c0fb6abfeb9bb9067e91ed6..91ec7b06d6f2feb9bdeda6c7d71b163a4431e398 100644
--- a/test/cctest/compiler/test-node.cc
+++ b/test/cctest/compiler/test-node.cc
@@ -7,12 +7,10 @@
 
 #include <functional>
 
-#include "src/v8.h"
-#include "test/cctest/cctest.h"
-
 #include "src/compiler/graph.h"
 #include "src/compiler/node.h"
 #include "src/compiler/operator.h"
+#include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;