Revert "[compiler] Ship Ignition for all TurboFan code."

test/cctest/test-compiler.cc

Index: test/cctest/test-compiler.cc
diff --git a/test/cctest/test-compiler.cc b/test/cctest/test-compiler.cc
index 314b162b7f6859431d27b6e361999c35ef8357d2..b7073e748949cf22f3ae8df59a31c4177775cbed 100644
--- a/test/cctest/test-compiler.cc
+++ b/test/cctest/test-compiler.cc
@@ -322,10 +322,9 @@ TEST(FeedbackVectorPreservedAcrossRecompiles) {
   // of the full code.
   CHECK(f->IsOptimized());
   // If the baseline code is bytecode, then it will not have deoptimization
-  // support. The has_deoptimization_support() check is only required if the
+  // support. has_deoptimization_support() check is only required if the
   // baseline code is from fullcodegen.
-  CHECK(f->shared()->has_deoptimization_support() || i::FLAG_ignition ||
-        i::FLAG_turbo);
+  CHECK(f->shared()->has_deoptimization_support() || i::FLAG_ignition);
   object = f->feedback_vector()->Get(slot_for_a);
   CHECK(object->IsWeakCell() &&
         WeakCell::cast(object)->value()->IsJSFunction());