VM: Remove collection of unused range feedback.

runtime/vm/assembler_arm64.h

Index: runtime/vm/assembler_arm64.h
diff --git a/runtime/vm/assembler_arm64.h b/runtime/vm/assembler_arm64.h
index 8080ab8b6fe9c7e480511ef97615437792847b9f..9085bf01cda7acb73a37223f1eecb70b388739bc 100644
--- a/runtime/vm/assembler_arm64.h
+++ b/runtime/vm/assembler_arm64.h
@@ -1337,18 +1337,6 @@ class Assembler : public ValueObject {
   void LoadClassIdMayBeSmi(Register result, Register object);
   void LoadTaggedClassIdMayBeSmi(Register result, Register object);
 
-  void ComputeRange(Register result,
-                    Register value,
-                    Register scratch,
-                    Label* miss);
-
-  void UpdateRangeFeedback(Register value,
-                           intptr_t idx,
-                           Register ic_data,
-                           Register scratch1,
-                           Register scratch2,
-                           Label* miss);
-
   void SetupDartSP();
   void RestoreCSP();