Revert of Use a WeakCell in the CallIC type vector.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index 6deeabfcf516b60fd603aa371670e278e864f309..009701025a7975da87f0ccbdd80a91acf96d2f59 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -124,23 +124,7 @@
   // x2: feedback vector
   // x3: call feedback slot
   Register registers[] = {cp, x2, x3};
-  Representation representations[] = {Representation::Tagged(),
-                                      Representation::Tagged(),
-                                      Representation::Smi()};
-  data->Initialize(arraysize(registers), registers, representations);
-}
-
-
-void CreateWeakCellDescriptor::Initialize(CallInterfaceDescriptorData* data) {
-  // cp: context
-  // x2: feedback vector
-  // x3: call feedback slot
-  // x1: tagged value to put in the weak cell
-  Register registers[] = {cp, x2, x3, x1};
-  Representation representations[] = {
-      Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
-      Representation::Tagged()};
-  data->Initialize(arraysize(registers), registers, representations);
+  data->Initialize(arraysize(registers), registers, NULL);
 }