s390: Remove deprecated CompareIC stub support.

Port 10f73fac

R=bjaideep@ca.ibm.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: Ia5b50df98cb26bc332e3e2b114861740bae19d3d
Reviewed-on: https://chromium-review.googlesource.com/629217Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#47558}

src/s390/code-stubs-s390.h

@@ -433,7 +433,7 @@ class FloatingPointHelper : public AllStatic {
   // r1: Left value (sign, exponent, top of mantissa).
   // r2: Right value (least significant part of mantissa).
   // r3: Right value (sign, exponent, top of mantissa).
-  static void CallCCodeForDoubleOperation(MacroAssembler* masm, Token::Value op,
+  static void CallCCodeForDoubleOperation(MacroAssembler* masm,
                                           Register heap_number_result,
                                           Register scratch);