Remove deprecated ifdef from flag definitions.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/611453003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24252 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/flag-definitions.h

@@ -336,11 +336,7 @@ DEFINE_BOOL(trace_turbo_scheduler, false, "trace generated TurboFan scheduler")
 DEFINE_BOOL(turbo_asm, false, "enable TurboFan for asm.js code")
 DEFINE_BOOL(turbo_verify, false, "verify TurboFan graphs at each phase")
 DEFINE_BOOL(turbo_stats, false, "print TurboFan statistics")
-#if V8_TURBOFAN_BACKEND
 DEFINE_BOOL(turbo_types, true, "use typed lowering in TurboFan")
-#else
-DEFINE_BOOL(turbo_types, false, "use typed lowering in TurboFan")
-#endif
 DEFINE_BOOL(turbo_source_positions, false,
             "track source code positions when building TurboFan IR")
 DEFINE_BOOL(context_specialization, false,