remove patch command and file of grpc to Improved quality of Paddle Repo (#21778)

cmake/external/grpc.cmake

@@ -44,13 +44,12 @@ ExternalProject_Add(
     # 3. keep only zlib, cares, protobuf, boringssl under "third_party",
     #    checkout and clean other dirs under third_party
     # 4. remove .git, and package the directory.
-    URL "http://paddlepaddledeps.bj.bcebos.com/grpc-v1.10.x.tar.gz"
-    URL_MD5  "1f268a2aff6759839dccd256adcc91cf"
+    URL          http://paddlepaddledeps.bj.bcebos.com/grpc-v1.10.x_paddle.tar.gz
+    URL_MD5      f5442d137ddccee252e194b1bc90f98c
     PREFIX          ${GRPC_SOURCES_DIR}
     UPDATE_COMMAND  ""
     CONFIGURE_COMMAND ""
     BUILD_IN_SOURCE 1
-    PATCH_COMMAND cp ${PADDLE_SOURCE_DIR}/patches/grpc/grpc_library.h ${GRPC_SOURCES_DIR}/src/extern_grpc/include/grpcpp/impl/codegen/grpc_library.h && cp ${PADDLE_SOURCE_DIR}/patches/grpc/completion_queue.h ${GRPC_SOURCES_DIR}/src/extern_grpc/include/grpcpp/impl/codegen/completion_queue.h
     # NOTE(yuyang18):
     # Disable -Werror, otherwise the compile will fail in MacOS.
     # It seems that we cannot configure that by make command.

patches/grpc/grpc_library.h

@@ -1,64 +0,0 @@
-// Copyright (c) 2018 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.
-
-#ifndef GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H
-#define GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H
-
-#include <typeinfo>
-
-#include <grpcpp/impl/codegen/core_codegen_interface.h>
-
-namespace grpc {
-
-class GrpcLibraryInterface {
- public:
-  virtual ~GrpcLibraryInterface() = default;
-  virtual void init() = 0;
-  virtual void shutdown() = 0;
-};
-
-/// Initialized by \a grpc::GrpcLibraryInitializer from
-/// <grpcpp/impl/grpc_library.h>
-extern GrpcLibraryInterface* g_glip;
-
-/// Classes that require gRPC to be initialized should inherit from this class.
-class GrpcLibraryCodegen {
- public:
-  GrpcLibraryCodegen(bool call_grpc_init = true) : grpc_init_called_(false) {
-    if (call_grpc_init) {
-      GPR_CODEGEN_ASSERT(g_glip &&
-                         "gRPC library not initialized. See "
-                         "grpc::internal::GrpcLibraryInitializer.");
-      g_glip->init();
-      grpc_init_called_ = true;
-    }
-  }
-  virtual ~GrpcLibraryCodegen() {
-    if (grpc_init_called_ &&
-        typeid(*g_glip).hash_code() !=
-            typeid(GrpcLibraryInterface).hash_code()) {
-      GPR_CODEGEN_ASSERT(g_glip &&
-                         "gRPC library not initialized. See "
-                         "grpc::internal::GrpcLibraryInitializer.");
-      g_glip->shutdown();
-    }
-  }
-
- private:
-  bool grpc_init_called_;
-};
-
-}  // namespace grpc
-
-#endif  // GRPCPP_IMPL_CODEGEN_GRPC_LIBRARY_H