Remove remaining stub code for IC range profiling.

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 8bf00feaa5a91796a33bd09bf3bb0d03e228940f..99393ac530d2f1b6f8c89084f09940461a46db27 100644
--- a/runtime/vm/stub_code_x64.cc
+++ b/runtime/vm/stub_code_x64.cc
@@ -1519,24 +1519,6 @@ void StubCode::GenerateSmiEqualInlineCacheStub(Assembler* assembler) {
 }
 
 
-void StubCode::GenerateUnaryRangeCollectingInlineCacheStub(
-    Assembler* assembler) {
-  GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 1,
-      kInlineCacheMissHandlerOneArgRuntimeEntry,
-      Token::kILLEGAL);
-}
-
-
-void StubCode::GenerateBinaryRangeCollectingInlineCacheStub(
-    Assembler* assembler) {
-  GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kILLEGAL);
-}
-
-
 // Use inline cache data array to invoke the target or continue in inline
 // cache miss handler. Stub for 1-argument check (receiver class).
 //  RDI: function which counter needs to be incremented.