VM: Remove collection of unused range feedback.

runtime/vm/assembler_ia32.h

Index: runtime/vm/assembler_ia32.h
diff --git a/runtime/vm/assembler_ia32.h b/runtime/vm/assembler_ia32.h
index 77f77a66b2bfba1c83e28b4827006d6cc0a227dc..d777b9b19c18e51187fe304b83dca5529f3cb3d0 100644
--- a/runtime/vm/assembler_ia32.h
+++ b/runtime/vm/assembler_ia32.h
@@ -740,20 +740,6 @@ class Assembler : public ValueObject {
                             Register scratch,
                             Label* is_smi);
 
-  void ComputeRange(Register result,
-                    Register value,
-                    Register lo_temp,
-                    Register hi_temp,
-                    Label* miss);
-
-  void UpdateRangeFeedback(Register value,
-                           intptr_t index,
-                           Register ic_data,
-                           Register scratch1,
-                           Register scratch2,
-                           Register scratch3,
-                           Label* miss);
-
   static Address ElementAddressForIntIndex(bool is_external,
                                            intptr_t cid,
                                            intptr_t index_scale,
@@ -781,7 +767,6 @@ class Assembler : public ValueObject {
     sarl(reg, Immediate(kSmiTagSize));
   }
 
-  intptr_t PreferredLoopAlignment() { return 16; }
   void Align(intptr_t alignment, intptr_t offset);
   void Bind(Label* label);
   void Jump(Label* label) { jmp(label); }