[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/ppc/macro-assembler-ppc.h

Index: src/ppc/macro-assembler-ppc.h
diff --git a/src/ppc/macro-assembler-ppc.h b/src/ppc/macro-assembler-ppc.h
index 4c66607bcf9c631d2bebba391d1f15862a144113..f1a021dbbad7083410427d0262f3c7f8dcb922d9 100644
--- a/src/ppc/macro-assembler-ppc.h
+++ b/src/ppc/macro-assembler-ppc.h
@@ -902,13 +902,6 @@ class MacroAssembler : public Assembler {
     return eq;
   }
 
-
-  // 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);
-
   // Get the number of least significant bits from a register
   void GetLeastBitsFromSmi(Register dst, Register src, int num_least_bits);
   void GetLeastBitsFromInt32(Register dst, Register src, int mun_least_bits);