Delete the unused rpc.pb.h

Signed-off-by: Ye Cao <caoye.cao@alibaba-inc.com>

CMakeLists.txt

@@ -245,7 +245,6 @@ install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/etcd/KeepAlive.hpp
               ${CMAKE_CURRENT_SOURCE_DIR}/etcd/Response.hpp
               ${CMAKE_CURRENT_SOURCE_DIR}/etcd/Value.hpp
               ${CMAKE_CURRENT_SOURCE_DIR}/etcd/Watcher.hpp
-              
               DESTINATION include/etcd)
 if(NOT BUILD_ETCD_CORE_ONLY)
     install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/etcd/Client.hpp

etcd/Response.hpp

@@ -10,7 +10,6 @@
 
 #include "etcd/Value.hpp"
 #include "etcd/v3/Member.hpp"
-#include "rpc.pb.h"
 
 namespace etcdv3 {
 class AsyncWatchAction;