Remove value check from ICData checks/house-keeping

runtime/vm/stub_code_x64.cc

Index: runtime/vm/stub_code_x64.cc
diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc
index 2dd75a203c1104faa26747e139b2ed1e7e675f1e..7884ae55291b118b2c3b82b1e80f666f9aaac958 100644
--- a/runtime/vm/stub_code_x64.cc
+++ b/runtime/vm/stub_code_x64.cc
@@ -1546,15 +1546,6 @@ void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
 }
 
 
-void StubCode::GenerateThreeArgsCheckInlineCacheStub(Assembler* assembler) {
-  GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 3,
-      kInlineCacheMissHandlerThreeArgsRuntimeEntry,
-      Token::kILLEGAL,
-      kIgnoreRanges);
-}
-
-
 void StubCode::GenerateSmiAddInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
@@ -1633,16 +1624,6 @@ void StubCode::GenerateTwoArgsOptimizedCheckInlineCacheStub(
 }
 
 
-void StubCode::GenerateThreeArgsOptimizedCheckInlineCacheStub(
-    Assembler* assembler) {
-  GenerateOptimizedUsageCounterIncrement(assembler);
-  GenerateNArgsCheckInlineCacheStub(assembler, 3,
-      kInlineCacheMissHandlerThreeArgsRuntimeEntry,
-      Token::kILLEGAL,
-      kIgnoreRanges);
-}
-
-
 // Intermediary stub between a static call and its target. ICData contains
 // the target function and the call count.
 // RBX: ICData