remove trainer_library in CMakeLists

test=develop

paddle/fluid/framework/CMakeLists.txt

@@ -172,11 +172,10 @@ else()
 endif()
 
 cc_library(executor_gc_helper SRCS executor_gc_helper.cc DEPS scope proto_desc operator garbage_collector)
-
 if(WITH_DISTRIBUTE)
   cc_library(executor SRCS executor.cc DEPS op_registry device_context scope framework_proto glog fleet_wrapper
     lod_rank_table feed_fetch_method sendrecvop_rpc  ${GLOB_DISTRIBUTE_DEPS}
-graph_to_program_pass variable_helper trainer_library data_feed_proto ${NGRAPH_EXE_DEPS})
+graph_to_program_pass variable_helper data_feed_proto ${NGRAPH_EXE_DEPS})
   set(DISTRIBUTE_COMPILE_FLAGS "-Wno-non-virtual-dtor -Wno-error=non-virtual-dtor -Wno-error=delete-non-virtual-dtor")
   set_source_files_properties(executor.cc PROPERTIES COMPILE_FLAGS ${DISTRIBUTE_COMPILE_FLAGS})
 else()