[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/mips64/macro-assembler-mips64.h

Index: src/mips64/macro-assembler-mips64.h
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index 556013d28956186058e2e088af35312856689aef..b622a6008162243ff93e65e49e581ee473ce0250 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -1319,13 +1319,6 @@ 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);