remove <memory>

test=develop

paddle/fluid/operators/linear_chain_crf_op.cc

@@ -13,7 +13,6 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 #include "paddle/fluid/operators/linear_chain_crf_op.h"
-#include <memory>
 
 namespace paddle {
 namespace operators {

paddle/fluid/operators/sample_logits_op.cc

@@ -14,8 +14,6 @@ limitations under the License. */
 #include "paddle/fluid/operators/sample_logits_op.h"
 #include "paddle/fluid/operators/math/sample_prob.h"
 
-#include <memory>
-
 namespace paddle {
 namespace operators {