delete extra file, test=develop

lite/core/mir/fusion/conv_conv_fuse_pass1.cc

-// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "lite/core/mir/fusion/conv_conv_fuse_pass.h"
-#include <memory>
-#include <vector>
-#include "lite/core/mir/fusion/conv_conv_fuser.h"
-#include "lite/core/mir/graph_visualize_pass.h"
-#include "lite/core/mir/pass_registry.h"
-
-namespace paddle {
-namespace lite {
-namespace mir {
-
-void ConvConvFusePass::Apply(const std::unique_ptr<SSAGraph>& graph) {
-  // initialze fuser params
-  std::vector<bool> conv_has_bias_cases{true, false};
-  std::vector<std::string> conv_type_cases{
-      "conv2d", "depthwise_conv2d"};
-  bool has_arm = false;
-  for (auto& place : graph->valid_places()) {
-    if (place.target == TARGET(kARM) && place.precision == PRECISION(kFloat)) {
-        has_arm = true;
-        break;
-    }
-  }
-  if (!has_arm) {
-      return;
-  }
-  // only support fp32 fusion
-  for (auto conv_has_bias0 : conv_has_bias_cases) {
-    for (auto conv_has_bias1 : conv_has_bias_cases) {
-        for (auto conv_type0 : conv_type_cases) {
-          for (auto conv_type1 : conv_type_cases) {
-              VLOG(4) << "conv_has_bias0:" << conv_has_bias0
-                      << " conv_type0:" << conv_type0;
-              VLOG(4) << "conv_has_bias1:" << conv_has_bias1
-                      << " conv_type1:" << conv_type1;
-      fusion::ConvConvFuser fuser(conv_type0, conv_type1, conv_has_bias0, conv_has_bias1);
-      fuser(graph.get());
-    }
-  }
-}
-
-}  // namespace mir
-}  // namespace lite
-}  // namespace paddle
-
-REGISTER_MIR_PASS(lite_conv_conv_fuse_pass, paddle::lite::mir::ConvConvFusePass)
-    .BindTargets({TARGET(kARM)});