Revert of [compiler] merge binary-operator-reducer

src/compiler/machine-operator-reducer.h

Index: src/compiler/machine-operator-reducer.h
diff --git a/src/compiler/machine-operator-reducer.h b/src/compiler/machine-operator-reducer.h
index f715524b99b0f76719e9005dabfaf8194451ddce..7f8ff1a5fd6bd33a70a653acefdfbdf31e823695 100644
--- a/src/compiler/machine-operator-reducer.h
+++ b/src/compiler/machine-operator-reducer.h
@@ -81,8 +81,6 @@
   Reduction ReduceFloat64InsertLowWord32(Node* node);
   Reduction ReduceFloat64InsertHighWord32(Node* node);
   Reduction ReduceFloat64Compare(Node* node);
-  Reduction ReduceFloat52Mul(Node* node);
-  Reduction ReduceFloat52Div(Node* node);
 
   Graph* graph() const;
   JSGraph* jsgraph() const { return jsgraph_; }