Revert of [turbofan] Introduce a dedicated CheckBounds operator.

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index 1a8a8b03f1d0c8f4783876e8b09fcba7b6ceb1dc..937d56a6e76b4547a4b1f0bbef392f2165b6d517 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -1540,13 +1540,6 @@
         }
         return;
       }
-
-      case IrOpcode::kCheckBounds: {
-        VisitBinop(node, UseInfo::CheckedSigned32AsWord32(),
-                   UseInfo::TruncatingWord32(), MachineRepresentation::kWord32);
-        return;
-      }
-
       case IrOpcode::kAllocate: {
         ProcessInput(node, 0, UseInfo::TruncatingWord32());
         ProcessRemainingInputs(node, 1);