[turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines.

test/cctest/compiler/test-basic-block-profiler.cc

Index: test/cctest/compiler/test-basic-block-profiler.cc
diff --git a/test/cctest/compiler/test-basic-block-profiler.cc b/test/cctest/compiler/test-basic-block-profiler.cc
index fa4da9a736a4d0fba533c7d3d1b78165d5998016..7d7690bad693f35d774c9cd603c725702ea16ed3 100644
--- a/test/cctest/compiler/test-basic-block-profiler.cc
+++ b/test/cctest/compiler/test-basic-block-profiler.cc
@@ -8,8 +8,6 @@
 #include "test/cctest/cctest.h"
 #include "test/cctest/compiler/codegen-tester.h"
 
-#if V8_TURBOFAN_TARGET
-
 using namespace v8::internal;
 using namespace v8::internal::compiler;
 
@@ -110,5 +108,3 @@ TEST(ProfileLoop) {
     m.Expect(arraysize(expected), expected);
   }
 }
-
-#endif  // V8_TURBOFAN_TARGET