Revert of Introduce instance type for transition arrays.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index ca9ccb63960960dd3e70c35aca61151fb0d6a87b..ee58f02ed12c583515d04cb32560f6ea2bf966c5 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -75,9 +75,6 @@
       break;
     case BYTECODE_ARRAY_TYPE:
       BytecodeArray::cast(this)->BytecodeArrayVerify();
-      break;
-    case TRANSITION_ARRAY_TYPE:
-      TransitionArray::cast(this)->TransitionArrayVerify();
       break;
     case FREE_SPACE_TYPE:
       FreeSpace::cast(this)->FreeSpaceVerify();
@@ -410,17 +407,6 @@
 }
 
 
-void TransitionArray::TransitionArrayVerify() {
-  for (int i = 0; i < length(); i++) {
-    Object* e = get(i);
-    VerifyPointer(e);
-  }
-  CHECK_LE(LengthFor(number_of_transitions()), length());
-  CHECK(next_link()->IsUndefined() || next_link()->IsSmi() ||
-        next_link()->IsTransitionArray());
-}
-
-
 void JSGeneratorObject::JSGeneratorObjectVerify() {
   // In an expression like "new g()", there can be a point where a generator
   // object is allocated but its fields are all undefined, as it hasn't yet been