[intrinsics] Kill the %_IsMinusZero intrinsic.

src/crankshaft/hydrogen-range-analysis.cc

Index: src/crankshaft/hydrogen-range-analysis.cc
diff --git a/src/crankshaft/hydrogen-range-analysis.cc b/src/crankshaft/hydrogen-range-analysis.cc
index f5eba5e571e2caeb5243383a1343d702c74980ea..a489e014eb4e090048fc62a37addb31ee7a71930 100644
--- a/src/crankshaft/hydrogen-range-analysis.cc
+++ b/src/crankshaft/hydrogen-range-analysis.cc
@@ -71,12 +71,6 @@ void HRangeAnalysisPhase::Run() {
                 instr->to().IsSmiOrInteger32());
           PropagateMinusZeroChecks(instr->value());
         }
-      } else if (value->IsCompareMinusZeroAndBranch()) {
-        HCompareMinusZeroAndBranch* instr =
-            HCompareMinusZeroAndBranch::cast(value);
-        if (instr->value()->representation().IsSmiOrInteger32()) {
-          PropagateMinusZeroChecks(instr->value());
-        }
       }
     }