[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/x87/macro-assembler-x87.h

Index: src/x87/macro-assembler-x87.h
diff --git a/src/x87/macro-assembler-x87.h b/src/x87/macro-assembler-x87.h
index 259164818ec5fa23c6d4b6383b63feadc3018232..5e23f36bf31d70f7bfb698979d391482bc666fca 100644
--- a/src/x87/macro-assembler-x87.h
+++ b/src/x87/macro-assembler-x87.h
@@ -703,12 +703,6 @@ class MacroAssembler: public Assembler {
   void TryGetFunctionPrototype(Register function, Register result,
                                Register scratch, Label* miss);
 
-  // Picks out an array index from the hash field.
-  // Register use:
-  //   hash - holds the index's hash. Clobbered.
-  //   index - holds the overwritten index on exit.
-  void IndexFromHash(Register hash, Register index);
-
   // ---------------------------------------------------------------------------
   // Runtime calls