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

test/cctest/compiler/test-pipeline.cc

Index: test/cctest/compiler/test-pipeline.cc
diff --git a/test/cctest/compiler/test-pipeline.cc b/test/cctest/compiler/test-pipeline.cc
index a11b1e793a93550f5a35ce0adf4b38babdcc8df6..9629e4faca5d23d21d2a871dd565e701657dc066 100644
--- a/test/cctest/compiler/test-pipeline.cc
+++ b/test/cctest/compiler/test-pipeline.cc
@@ -5,13 +5,11 @@
 // 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.h"
 #include "src/compiler/pipeline.h"
 #include "src/handles.h"
 #include "src/parser.h"
+#include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;