VM: Remove collection of unused range feedback.

runtime/vm/stub_code.h

Index: runtime/vm/stub_code.h
diff --git a/runtime/vm/stub_code.h b/runtime/vm/stub_code.h
index 32998fc2af56f771bb968bee891d8fb722e9806d..739dff26672e404ea57a35b5d2a7c9debf0f6a00 100644
--- a/runtime/vm/stub_code.h
+++ b/runtime/vm/stub_code.h
@@ -170,11 +170,6 @@ class StubCode : public AllStatic {
   VM_STUB_CODE_LIST(STUB_CODE_ENTRY);
 #undef STUB_CODE_ENTRY
 
-  enum RangeCollectionMode {
-    kCollectRanges,
-    kIgnoreRanges
-  };
-
   // Generate the stub and finalize the generated code into the stub
   // code executable area.
   static RawCode* Generate(const char* name,
@@ -188,7 +183,6 @@ class StubCode : public AllStatic {
       intptr_t num_args,
       const RuntimeEntry& handle_ic_miss,
       Token::Kind kind,
-      RangeCollectionMode range_collection_mode,
       bool optimized = false);
   static void GenerateUsageCounterIncrement(Assembler* assembler,
                                             Register temp_reg);