Revert of [turbofan] Connect ObjectIsNumber to effect and control chains.

test/cctest/compiler/test-simplified-lowering.cc

Index: test/cctest/compiler/test-simplified-lowering.cc
diff --git a/test/cctest/compiler/test-simplified-lowering.cc b/test/cctest/compiler/test-simplified-lowering.cc
index 756712675991ed97552a15dd33da2e4231329953..1b752edd3c855138d5f909b38a0308528c53aea6 100644
--- a/test/cctest/compiler/test-simplified-lowering.cc
+++ b/test/cctest/compiler/test-simplified-lowering.cc
@@ -60,8 +60,8 @@
     typer.Run();
     lowering.LowerAllNodes();
 
+    ChangeLowering lowering(&jsgraph);
     GraphReducer reducer(this->zone(), this->graph());
-    ChangeLowering lowering(&reducer, &jsgraph);
     reducer.AddReducer(&lowering);
     reducer.ReduceGraph();
     Verifier::Run(this->graph());
@@ -726,8 +726,8 @@
     SourcePositionTable table(jsgraph.graph());
     SimplifiedLowering(&jsgraph, jsgraph.zone(), &table).LowerAllNodes();
 
+    ChangeLowering lowering(&jsgraph);
     GraphReducer reducer(this->zone(), this->graph());
-    ChangeLowering lowering(&reducer, &jsgraph);
     reducer.AddReducer(&lowering);
     reducer.ReduceGraph();
     Verifier::Run(this->graph());