undo lgi changes

include/tvm/node/structural_equal.h

@@ -89,8 +89,6 @@ class StructuralEqual : public BaseValueEqual {
    * \return The comparison result.
    */
   TVM_DLL bool operator()(const ObjectRef& lhs, const ObjectRef& rhs) const;
-
-  TVM_DLL bool operator()(const ObjectRef& lhs, const ObjectRef& rhs, bool map_free_vars) const;
 };
 
 /*!

src/node/structural_equal.cc

@@ -231,9 +231,4 @@ bool StructuralEqual::operator()(const ObjectRef& lhs, const ObjectRef& rhs) con
   return RemapVarSEqualHandler(false).Equal(lhs, rhs, false);
 }
 
-bool StructuralEqual::operator()(const ObjectRef& lhs, const ObjectRef& rhs,
-                                 bool map_free_vars) const {
-  return RemapVarSEqualHandler(false).Equal(lhs, rhs, map_free_vars);
-}
-
 }  // namespace tvm

src/relay/op/tensor/transform.cc

@@ -182,9 +182,6 @@ bool ExpandDimsRel(const Array<Type>& types, int num_inputs, const Attrs& attrs,
     return false;
   }
   const auto* param = attrs.as<ExpandDimsAttrs>();
-  if (param == nullptr) {
-    return false;
-  }
   const int ndim = static_cast<int>(data->shape.size());
   const int axis = param->axis;
   const int num_newaxis = param->num_newaxis;

src/relay/op/tensor/transform.h

@@ -59,9 +59,6 @@ bool ConcatenateRel(const Array<Type>& types, int num_inputs, const Attrs& attrs
   }
 
   const auto* param = attrs.as<AttrType>();
-  if (param == nullptr) {
-    return false;
-  }
   if (tensor_tuple->fields[0].as<IncompleteTypeNode>()) {
     return false;
   }