Revert of Turbofan: Add MachineOperators for SIMD.

src/compiler/verifier.cc

Index: src/compiler/verifier.cc
diff --git a/src/compiler/verifier.cc b/src/compiler/verifier.cc
index d6e52609df80dfb2f81553f399bb0cbfa1fe56db..1fe71205da4def2e45b6c6b65c73504620378cd4 100644
--- a/src/compiler/verifier.cc
+++ b/src/compiler/verifier.cc
@@ -984,11 +984,6 @@
     case IrOpcode::kLoadParentFramePointer:
     case IrOpcode::kCheckedLoad:
     case IrOpcode::kCheckedStore:
-
-#define SIMD_MACHINE_OP_CASE(Name) case IrOpcode::k##Name:
-      MACHINE_SIMD_OP_LIST(SIMD_MACHINE_OP_CASE)
-#undef SIMD_MACHINE_OP_CASE
-
       // TODO(rossberg): Check.
       break;
   }