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

test/cctest/compiler/test-jump-threading.cc

Index: test/cctest/compiler/test-jump-threading.cc
diff --git a/test/cctest/compiler/test-jump-threading.cc b/test/cctest/compiler/test-jump-threading.cc
index 61649208cd8c3bd4452a72d5160d337b5ef5e189..00baca2c5b7c278cb25be87e4caf69ab9a7ad5a6 100644
--- a/test/cctest/compiler/test-jump-threading.cc
+++ b/test/cctest/compiler/test-jump-threading.cc
@@ -5,12 +5,10 @@
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
-#include "src/v8.h"
-#include "test/cctest/cctest.h"
-
 #include "src/compiler/instruction.h"
 #include "src/compiler/instruction-codes.h"
 #include "src/compiler/jump-threading.h"
+#include "test/cctest/cctest.h"
 
 namespace v8 {
 namespace internal {